subject
Mathematics, 06.11.2019 02:31 amberell1234

The mean gas mileage for a hybrid car is 56 miles per gallon. suppose that the gasoline mileage is approximately normally distributed with a standard deviation of 3.2 miles per gallon.

(a) what proportion of hybrids gets over 60 miles per gallon?

(b) what proportion of hybrids gets 52 miles per gallon or less?

(c )what proportion of hybrids gets between 57 and 62 miles per gallon?

(d) what is the probability that a randomly selected hybrid gets less than 45 miles per gallon?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 13:30
At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.
Answers: 1
question
Mathematics, 21.06.2019 15:00
Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.
Answers: 2
question
Mathematics, 21.06.2019 15:50
Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.
Answers: 2
question
Mathematics, 21.06.2019 21:30
Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?
Answers: 1
You know the right answer?
The mean gas mileage for a hybrid car is 56 miles per gallon. suppose that the gasoline mileage is a...
Questions
question
Mathematics, 29.06.2019 08:30
Questions on the website: 13722362