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Question

 

A six sided spinner is shown in the diagram. 

                                                     

It is spun 180 times. How many times would you expect to obtain: 

a. score of 1? 

 . b. a score less than 4?  

 . c. a score that is a prime number?  

 .

d. a score of 4? 

 .

Answer 1

a. score of 1? 

probability of getting a 1 is 1/2, so would expect 90 times to get a 1 out of 180

 . b. a score less than 4?  

probability of getting less than 4 is 5/6, so would expect 150 times to get less than 4 out of 180

 . c. a score that is a prime number?  

probability of getting a prime number is 5/6 (1 and 2 are prime, divisible only by themselves and 1), so would expect 150 time.

 .

d. a score of 4? 

probability of getting a 4 is 1/6, so would expect 30 times to get a 4.