subject
Mathematics, 27.10.2021 14:00 thefandomarmy24

The director of research and development is testing a new medicine. She wants to know if there is evidence at the 0.1 level that the medicine relieves pain in more than 366 seconds. For a sample of 69 patients, the mean time in which the medicine relieved pain was 372 seconds. Assume the population variance is known to be 324. Is there sufficient evidence to support the director's claim?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 21:50
The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64
Answers: 1
question
Mathematics, 21.06.2019 22:30
Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
Answers: 1
question
Mathematics, 22.06.2019 02:20
Of the 27 players trying out for the school basketball team, 8 are more than 6 feet tall and 7 have good aim. what is the probability that the coach would randomly pick a player over 6 feet tall or a player with a good aim? assume that no players over 6 feet tall have good aim. a. b. c. d.
Answers: 1
question
Mathematics, 22.06.2019 02:20
At a cost of 200, your club bought 175 frisbees to sell at the pep rally. you plan on selling them for $5 each. what is the domain of the function?
Answers: 1
You know the right answer?
The director of research and development is testing a new medicine. She wants to know if there is ev...
Questions
question
Social Studies, 23.06.2019 19:30
question
Mathematics, 23.06.2019 19:30
question
Social Studies, 23.06.2019 19:30
question
Mathematics, 23.06.2019 19:30
Questions on the website: 13722360