Customers at the local Subway store order an ice tea with their meal 45% of the time. Use the Binomial distribution to find the answer to the following.

a. Find the probability that among the next 8 customers, at least 3 will order ice tea with their meal.

1. 0.2568

2. 0.523

3. 0.7799

4. 0.8939

b. Of the next 8 customers, how many do you expect to order ice tea with their meal.

1. 3

2. 3.6

3. 4.8

4. 5.2

c. What is the standard deviation of the number of customers that order ice tea among the next 8 customers?

1. 2
2. 1.41
3. 1.98
4. 2.19

Answer rating: 100% (QA)

Pmf of Binomial distribution is Px x hC x P x a nx X no of custome... View the full answer