g At a certain gas station, 30% of all customers use the restroom. What is the probability that, out of the next 10 customers, (a) exactly 4 will use the restroom

Step-by-step explanation:

Given

--- selected customers

--- those that are expected to use the restroom

--- proportion that uses the restroom

Required

The question illustrates binomial probability and the formula is:

So, we have:

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

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