subject
Mathematics, 27.04.2021 14:40 LemonCT

A random sample of 88 eighth grade​ students' scores on a national mathematics assessment test has a mean score of 264. This test result prompts a state school administrator to declare that the mean score for the​ state's eighth graders on this exam is more than 260. Assume that the population standard deviation is 36. At α=0.02​, is there enough evidence to support the​ administrator's claim? Complete parts​ (a) through​ (e).

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 13:40
What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12
Answers: 1
question
Mathematics, 21.06.2019 18:20
The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?
Answers: 2
question
Mathematics, 21.06.2019 19:50
The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?
Answers: 2
question
Mathematics, 21.06.2019 21:30
The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?
Answers: 2
You know the right answer?
A random sample of 88 eighth grade​ students' scores on a national mathematics assessment test has a...
Questions
question
English, 11.06.2021 18:00
question
Mathematics, 11.06.2021 18:00
question
Advanced Placement (AP), 11.06.2021 18:00
question
Mathematics, 11.06.2021 18:00