Mathematics, 10.11.2019 03:31 safiyabrowne7286

Suppose a test has been given to all high school students in a certain state. the mean test score for the entire state is 70, with standard deviation equal to 10. members of the school board suspect that female students have a higher mean score on the test than male students, because the mean score from a random sample of 64 female students is equal to 73. does this provide strong evidence that the overall mean for female students is higher? the alternative hypothesis for this study is

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:00

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Answers: 1

Answer

Mathematics, 21.06.2019 20:00

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Answers: 1

Answer

Mathematics, 21.06.2019 21:00

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years

Answers: 1

Answer

Mathematics, 21.06.2019 21:20

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Answers: 2

Answer

You know the right answer?

Suppose a test has been given to all high school students in a certain state. the mean test score fo...

Questions

Mathematics, 04.02.2021 19:50

if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s) what is the kinetic energy it has...