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Chapter 13: Q. 62 (page 866)

Another game on the 鈥淧rice is Right鈥� requires the contestant to spin a wheel with numbers 5, 10, 15, 20, .... , 100. What is the probability that the contestant spins 100 or 30?

Short Answer

Expert verified

The probability is110

Step by step solution

01

Step 1. Given Information

The given data is that the contestant to spin a wheel with numbers 5, 10, 15, 20, ... , 100.

02

Step 2. Calculation  

The number of elements in the sample space are n(S)=20

The probability of event E "spins 100" is P(E)=120

The probability of event F "spins 30" is P(F)=120

Thus, the probability that the contestant spins 100 or 30 is as follows,

P(100or30)=P(E)+P(F)=120+120=220=110

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