/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 1 The analysis of results from a l... [FREE SOLUTION] | 91Ó°ÊÓ

91Ó°ÊÓ

The analysis of results from a leaf transmutation experiment (turning a leaf into a petal) is summarized by type of transformation completed: $$ \begin{array}{lccc} & & \begin{array}{c} \text { Total Textural } \\ \text { Transformation } \end{array} \\ & & \text { Yes } & \text { No } \\ \text { Total color } & \text { Yes } & 243 & 26 \\ \text { transformation } & \text { No } & 13 & 18 \end{array} $$ a. If a leaf completes the color transformation, what is the probability that it will complete the textural transformation? b. If a leaf does not complete the textural transformation, what is the probability it will complete the color transformation?

Short Answer

Expert verified
a. \( \frac{243}{269} \); b. \( \frac{13}{22} \).

Step by step solution

01

Understanding the problem

The problem provides a 2x2 table showing the results of leaf transformation experiments, categorized by color transformation and textural transformation. We are asked to find probabilities based on conditional events in this dataset.
02

Preparing the Data for Part A

To find the probability of a leaf completing a textural transformation given it completes a color transformation, we need the marginal total for the color transformation 'Yes' row. Add 243 (both Yes) and 26 (color Yes, textural No) to find this total.
03

Calculation for Part A

The total number of leaves completing a color transformation is 243 + 26 = 269. Out of these, 243 also complete a textural transformation. Thus, the probability is given by the fraction of textural transformations to color transformations: \( P(T_{Yes}|C_{Yes}) = \frac{243}{269} \).
04

Preparing the Data for Part B

To find the probability of a leaf completing a color transformation given it does not complete a textural transformation, sum the totals in the textural 'No' column. Add 26 (textural No, color Yes) and 18 (both No) for this total.
05

Calculation for Part B

The total number of leaves that do not complete a textural transformation is 26 + 18 = 44. Out of these, 26 complete a color transformation. Hence, the probability is \( P(C_{Yes}|T_{No}) = \frac{26}{44} \).
06

Final Calculations

Simplify the resulting fractions if possible: \( \frac{26}{44} = \frac{13}{22} \). So, the final probabilities are \( \frac{243}{269} \) for part a and \( \frac{13}{22} \) for part b.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91Ó°ÊÓ!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Conditional Probability
Conditional probability is a fundamental concept in probability theory. It refers to the probability of an event occurring, given that another event has already occurred. In simpler terms, it is how likely an event is to happen if certain conditions or previous events are known. In the context of the exercise, conditional probability was used to determine the likelihood of a leaf completing a textural transformation, given it had already undergone a color transformation. This is expressed mathematically as: \[ P(T_{Yes}|C_{Yes}) = \frac{243}{269} \] Here, the vertical bar "|" in the formula denotes "given that". Understanding conditional probability helps in situations where outcomes depend on a certain condition being fulfilled beforehand. This kind of analysis is particularly useful in fields like science and engineering, where outcomes often depend on experiments or conditions established previously.
Transformation Experiments
Transformation experiments in our context refer to systematic methods designed to assess how a leaf can complete textural and color changes. In this exercise, the experiment aimed to evaluate whether color transformation affects the likelihood of textural transformation and vice versa. Through experiments and data collection, researchers gathered the information crucial for analyzing such transformations. By assessing the data, we can observe patterns and correlations between transformations:
  • The need for controlled experimental conditions to ensure accurate results.
  • The reliance on clear classifications of transformation success or failure, such as 'Yes' or 'No' categories.
These experiments help in transforming theoretical probabilities into more tangible results, thereby reinforcing the practical application of theoretical concepts in real-world scenarios.
Probability Calculation
Probability calculation involves determining the chances of different outcomes occurring. In the leaf transformation experiment, we used probability to find out how likely it is for one type of transformation to occur, given another transformation's status. Calculating probability can be approached by dividing the number of successful outcomes by the total number of possible outcomes. For our problem:
  • Calculating how many leaves completed a color transformation out of the entire subset that initially completed it: \[ P(T_{Yes}|C_{Yes}) = \frac{243}{269} \]
  • Determining how many leaves completed a color transformation from the subset of those not completing a textural transformation: \[ P(C_{Yes}|T_{No}) = \frac{26}{44} \]
Fraction simplification is also a key part of probability calculation, ensuring the results are presented in the simplest form.
Statistical Analysis
Statistical analysis involves the techniques and processes of gathering, reviewing, analyzing, and drawing conclusions from data. This is crucial in transformation experiments like the leaf transmutation study. By analyzing the data via statistical methods, we can make informed interpretations about event likelihoods and correlations between transformations.
  • Use of data tables to organize and summarize findings.
  • Utilization of comparison between groups to infer relationships.
  • Application of probabilistic models to understand pathways and outcomes.
Accurate statistical analysis helps convert experimental data into meaningful insights. It enables researchers and scientists to understand the underlying patterns and make predictions about future occurrences based on past data results. Mastery of these techniques provides the ability to predict and interpret both straightforward and complex relationships between variables in experiments.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Customers are used to evaluate preliminary product designs. In the past, \(95 \%\) of highly successful products received good reviews, \(60 \%\) of moderately successful products received good reviews, and \(10 \%\) of poor products received good reviews. In addition, \(40 \%\) of products have been highly successful, \(35 \%\) have been moderately successful, and \(25 \%\) have been poor products. a. What is the probability that a product attains a good review? b. If a new design attains a good review, what is the probability that it will be a highly successful product? c. If a product does not attain a good review, what is the probability that it will be a highly successful product?

Provide a reasonable description of the sample space for each of the random experiments in Exercises.There can be more than one acceptable interpretation of each experiment. Describe any assumptions you make. Each of four transmitted bits is classified as either in error or not in error.

Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The results from 100 disks are summarized here: \(\begin{array}{lccc} & & \text { Shock Resistance } \\ & & \text { High } & \text { Low } \\ \text { Scratch } & \text { High } & 70 & 9 \\ \text { Resistance } & \text { Low } & 16 & 5\end{array}\) Let \(A\) denote the event that a disk has high shock resistance, and let \(B\) denote the event that a disk has high scratch resistance. Determine the number of disks in \(A \cap B, A^{\prime},\) and \(A \cup B\).

A Web ad can be designed from four different colors, three font types, five font sizes, three images, and five text phrases. A specific design is randomly generated by the Web server when you visit the site. Let \(A\) denote the event that the design color is red, and let \(B\) denote the event that the font size is not the smallest one. Are \(A\) and \(B\) independent events? Explain why or why not.

The probability is \(1 \%\) that an electrical connector that is kept dry fails during the warranty period. If the connector is ever wet, the probability of a failure during the warranty period is \(5 \% .\) If \(90 \%\) of the connectors are kept dry and \(10 \%\) are wet, what proportion of connectors fail during the warranty period?

See all solutions

Recommended explanations on Math Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.