subject
Mathematics, 15.02.2021 21:00 castroarlety

A group of 50000 loan requests made through the web site of a bank report an average income of $37000 with a standard deviation of $20000. Furthermore, 20% of the requests report a gross income over $50000. A group of 900 requests is chosen at random to check their accuracy. Find the expected value and standard deviation of the total income of the 900 loan requests.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
In each bouquet of flowers, there are 2 roses and 3 white carnations. complete the table to find how many roses and carnations there are in 2 bouquets of flowers.
Answers: 1
question
Mathematics, 21.06.2019 19:50
Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27
Answers: 1
question
Mathematics, 21.06.2019 22:30
Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?
Answers: 2
question
Mathematics, 21.06.2019 22:30
If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air
Answers: 2
You know the right answer?
A group of 50000 loan requests made through the web site of a bank report an average income of $3700...
Questions
question
Chemistry, 07.04.2020 07:48
question
Biology, 07.04.2020 07:48
question
Mathematics, 07.04.2020 07:49
question
Mathematics, 07.04.2020 07:49
Questions on the website: 13722360