subject
Mathematics, 21.02.2020 04:29 reimanjr9186

If the mean salary of probation officers in the United States is $31,256, and the standard deviation is $3,000, find the following probabilities for a randomly selected probation officer. Assume the variable is normally distributed.

a. The officer earns more than $35,000.
b. The officer earns more than $25,000.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.
Answers: 1
question
Mathematics, 21.06.2019 18:40
If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)
Answers: 1
question
Mathematics, 21.06.2019 19:30
Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?
Answers: 3
question
Mathematics, 21.06.2019 21:30
Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?
Answers: 3
You know the right answer?
If the mean salary of probation officers in the United States is $31,256, and the standard deviation...
Questions
question
Mathematics, 21.08.2019 07:30
Questions on the website: 13722367