Mathematics, 06.07.2019 01:20, lola78830

Aresearcher wants to know if the average time in jail for robbery has increased from what it was several years ago when the average sentence was 7 years. he obtains data on 400 more recent robberies and finds an average time served of 7.5 years. if we assume the standard deviation is 3 years, a 95% confidence interval for the average time served is:

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, raymondmunoz4451

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

Answers: 1

continue

Mathematics, 21.06.2019 20:10, irene27

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Answers: 1

continue

Mathematics, 21.06.2019 22:10, Kurlyash

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

Answers: 3

continue

Mathematics, 21.06.2019 22:30, evanwall91

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

Answers: 1

continue

Do you know the correct answer?

Aresearcher wants to know if the average time in jail for robbery has increased from what it was sev...