Question 1 Fifteen golfers are randomly selected. The random variable represents

Question

Question 1

Fifteen golfers are randomly selected. The random variable represents the number of golfers who only play on the weekends. For this to be a binomial experiment, what assumption needs to be made?
a). The probability of golfing on the weekend is the same for all golfers
b). The probability of golfing during the week is the same for all golfers
c). All fifteen golfers play during the week
d). The probability of being selected is the same for all fifteen golfers
  
Question 2

A survey found that 39% of all gamers play video games on their smartphones. Ten frequent gamers are randomly selected. The random variable represents the number of frequent games who play video games on their smartphones. What is the value of n?
a). 0.39
b). x, the counter
c). 0.10
d). 10

Question 3

Say a business wants to know if each salesperson is equally likely to make a sale. The company chooses 5 salespeople and gathers information on their sales experiences. What assumption must be made for this study’s probability results to be used in future binomial experiments?
a). That for every 5 salespeople, the probability of making a sale is the same

b). That the probability of each salesperson being one of the selected 5 is the same
c). That 5% is the correct probability to use in future studies
d). That the selected 5 have similar characteristics and sales areas as the other salespeople

Explanation / Answer

Solution:-

1) (A) The probability of golfing on the weekend is the same for all golfers.

2) (D) The value of n is 10.

3) a). That for every 5 salespeople, the probability of making a sale is the same.

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