Mathematics, 02.12.2020 16:50 sabrinarasull1pe6s61
A researcher posed a null hypothesis that there was no significant difference between boys and girls on a standard memory test. He randomly sampled 40 girls and 40 boys in a community and gave them the standard memory test. The mean score for girls was 68 and the standard deviation of mean was 5.0. The mean score for boys was 66 and the standard deviation of mean was 5.0. What is the p-value and your conclusion at alpha
Answers: 1
Mathematics, 21.06.2019 18:00, Tellyy8104
On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.
Answers: 2
Mathematics, 21.06.2019 19:40, lylah42
The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes
Answers: 3
Mathematics, 22.06.2019 01:40, davelopez979
What is the domain of the step function f(x)=[2x]-1?
Answers: 3
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