subject
Mathematics, 05.03.2021 07:50 Jtblack2720

One year consumers spent an average of $22 on a meal at a resturant Assume that the amount spent on a resturant meal is normally distributed and that the standard deviation is $6. Complete parts (a) through (c) below.
a. What is the probability that a randomly selected person spent more than $25?
P(X> 525)=(Round to four decimal places as needed)
b. What is the probability that a randomly selected person spent between $8 and $19?
P(S8 c. Between what two values will the middle 95% of the amounts of cash spent fall?
The middle 95% of the amounts of cash spent will fall between X=$and X = 5
(Round to the nearest cent as needed.)

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 13:30
Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0
Answers: 2
question
Mathematics, 21.06.2019 17:20
Select a graph that have an equation with a < 0
Answers: 2
question
Mathematics, 21.06.2019 19:20
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.
Answers: 3
question
Mathematics, 21.06.2019 23:00
Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?
Answers: 1
You know the right answer?
One year consumers spent an average of $22 on a meal at a resturant Assume that the amount spent on...
Questions
question
Mathematics, 11.03.2020 04:20
question
Mathematics, 11.03.2020 04:20
Questions on the website: 13722361