subject
Mathematics, 03.02.2020 14:52 kianarice55otaivh

Someone plzzz answer this for me ? ? times for an ambulance to respond to a medical emergency in a certain town are normally distributed with a mean of 450 seconds and a standard deviation of 50 seconds.

suppose there are 97 emergencies in that town.

in about how many emergencies are the response times expected between 400 seconds and 500 seconds?

a.) 31
b.) 33
c.) 47
d.) 66

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?
Answers: 1
question
Mathematics, 21.06.2019 19:30
Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?
Answers: 1
question
Mathematics, 21.06.2019 21:10
Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°
Answers: 2
question
Mathematics, 21.06.2019 23:30
Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2
Answers: 2
You know the right answer?
Someone plzzz answer this for me ? ? times for an ambulance to respond to a medical emergency in a...
Questions
Questions on the website: 13722363