Mathematics, 12.11.2019 06:31 stephanieyingepbtcf8

1.

a facilities manager at a university reads in a research report that the mean amount of time spent in the shower by an adult is 5 minutes. he decides to collect data to see if the mean amount of time that college students spend in the shower is significantly different from 5 minutes. in a sample of 15 students, he found the average time was 4.29 minutes and the standard deviation was 0.75 minutes. using this sample information, conduct the appropriate hypothesis test at the 0.01 level of significance. assume normality.

a) what are the appropriate null and alternative hypotheses?

h0: ? = 5 versus ha: ? ? 5h0: x = 5 versus ha: x ? 5 h0: ? = 5 versus ha: ? < 5h0: ? = 5 versus ha: ? > 5

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:30

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Answers: 1

Answer

Mathematics, 21.06.2019 19:30

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Answers: 3

Answer

Mathematics, 21.06.2019 19:40

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

Answers: 1

Answer

Mathematics, 21.06.2019 23:30

The graph of the the function f(x) is given below. find [tex]\lim_{x \to 0\zero} f(x)[/tex] [tex]\lim_{x \to 1+\oneplus} f(x)[/tex] [tex]\lim_{x \to 0-\zeroneg} f(x)[/tex]

Answers: 1

Answer

You know the right answer?

1.

a facilities manager at a university reads in a research report that the mean amount...

Questions

Mathematics, 17.09.2020 14:01

What number is 10 more than 237...