subject
Mathematics, 15.11.2019 19:31 fhishy11

Traveling between two campuses of a university in a city via shuttle bus takes, on average, 28 minutes with a standard deviation of 5 minutes. in a given week, a bus transported passengers 40 times.

(a) what is the probability that the average transport time was more than 30 minutes?

(b) what is the probability that the average transport time was more than 30 minutes given that it exceeds 20 minutes?

(c) what is the probability that the total travelling time is greater than 1180 minutes?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?
Answers: 1
question
Mathematics, 21.06.2019 18:30
Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)
Answers: 1
question
Mathematics, 21.06.2019 19:00
The reflexive property of congruence lets you say that ∠pqr ≅
Answers: 1
question
Mathematics, 21.06.2019 21:00
Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%
Answers: 1
You know the right answer?
Traveling between two campuses of a university in a city via shuttle bus takes, on average, 28 minut...
Questions
question
History, 20.09.2020 06:01
question
History, 20.09.2020 06:01
question
Mathematics, 20.09.2020 06:01
question
Mathematics, 20.09.2020 06:01