A customer service desk at a library sees on average 10 customers per hour. a. What is the probability that between 7 and 10 customers come in a given hour? b. The library is open from 10 AM to 4 PM. What is the likelihood that the desk sees no more than 55 customers in one day? c. Assume that each customer takes 3 minutes to serve at the desk. If there is a line of customers at waiting to be helped at 3:45, what is the probability that the library staff member will have to stay past closing?

Q: Based on a​ poll, among adults who regret getting​ tattoos, 20​% say that they were too young when…

A: As per our guidelines we are suppose to answer three sub parts. Given,n=8p=0.20Let  X=no.of adults…

Q: C. The probability that the the child will be older than 5 years old? | 0.8681 d. The probability…

A: Consider that the answer of the given part a, b, and c are the correct answer. And distribution is…

Q: The probability that a smoke alarm will function properly and sound an alarm in the presence of…

A:

Q: Suppose that 15% of the population is left-handed. Find the probability that in group of 50…

A:

Q: National bank receives on average 30 customers in a day. 1. Find the probability of getting between…

A:

Q: t has been observed that the average number of accidents t s 3 per week. Find the probability that:…

A: Average number of accidents on an assembly line is 3 λ=3

Q: Assume that when adults with smartphones are randomly​ selected, 64​% use them in meetings or…

A:

Q: A. what is the probability that a sports fan attended exactly one of these types of games.  B. what…

A:

Q: A die is rolled 9 times. Find the probability of rolling no more than 3 fives. The probability of…

A:

Q: A survey of 100 people in New York City., NY found that, The probability that they take the subway…

A:

Q: The probability that a person on a certain beach will buy ice cream is 0.29. A. What is the…

A: Given Data: p=0.29 where p is the probability that a person on a certain beach will buy ice cream…

Q: d. Find the probability that the customer gave a Good rating given from the Midwest. e. Find the…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: Based on a poll , among adults who regret getting tattoos, 28% say that they were too young when…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Q. A car wash laundry receives an average of 40 cars per day Find the follow: (a) The probability…

A:

Q: 17% of all Americans live in poverty. If 31 Americans are randomly selected, find the probability…

A:

Q: c. Find the probability that the number of selected adults saying they were too young is 0 or 1.…

A:

Q: The probability that it will snow any day this week is 25%. a . What is the probability that it will…

A: From the provided information,The probability that it will snow any day this week is 25% that is p =…

Q: 2. A car-wash operator counts the number of cars arriving at the premises and finds that, on…

A: Given data λ= 4 per hourX = no. of cars arrive in an hourP(x=0) = ?

Q: In one Introductory Statistics class, the probability that a student will pass the first test is…

A: events: A: pass first test  B: pass second test   P(A) = 0.55         P(A') = 1 - 0.55 = 0.45 P(B|A)…

Q: The switchboard in a Minneapolis law office gets an average of 5 incoming phone calls during the…

A: An office gets an average of 5 incoming phone calls during the noon hour on Mondays.The existing…

Q: Suppose a basketball player is a 73% free-throw shooter and he attempts 10 free throws. a. What is…

A: From the provided information, A basketball player is a 73% free-throw shooter that is p = 0.73…