subject
Mathematics, 27.05.2021 22:10 Sk8terkaylee

a simple random sample of 81 sat scores in a certain district has a mean of 1210 and standard deviation of 400. district officials claim that their students scores on average are atleast 1300. a government agency tries to ascertain their claims at 5% level. state the null and alternative hypothesis​

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2
Answers: 1
question
Mathematics, 21.06.2019 18:00
Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}
Answers: 1
question
Mathematics, 21.06.2019 19:00
List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12
Answers: 1
question
Mathematics, 21.06.2019 19:30
In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.
Answers: 2
You know the right answer?
a simple random sample of 81 sat scores in a certain district has a mean of 1210 and standard deviat...
Questions
question
Mathematics, 05.12.2020 05:50
question
Mathematics, 05.12.2020 05:50
question
English, 05.12.2020 05:50
question
English, 05.12.2020 05:50
Questions on the website: 13722363