subject
Mathematics, 28.07.2019 21:30 carter4026

Assuming a normal distribution, families spends an average of $500 on their monthly cell phone bills with a standard deviation of $75. what is the probability a random families' bill is between $350 and $400?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17Ï€/6 (b) tan 13Ï€/4 (c) sec 11Ï€/3
Answers: 2
question
Mathematics, 21.06.2019 20:20
Can some one explain this i got sent this. is this a threat i’m scared
Answers: 1
question
Mathematics, 21.06.2019 22:10
Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?
Answers: 1
question
Mathematics, 22.06.2019 02:00
Your company will replace the asphalt roofs on all the buildings at the factory complex shown below. the buildings have flat roofs. you charge according to the total roof area. what is this area, in square yards?
Answers: 3
You know the right answer?
Assuming a normal distribution, families spends an average of $500 on their monthly cell phone bills...
Questions
question
Mathematics, 20.04.2021 06:10
question
Mathematics, 20.04.2021 06:10
question
Mathematics, 20.04.2021 06:10