Mathematics, 06.10.2019 09:00, espinosajoselyn
When a random variable x has a binomial distribution with n=20, p=0.5, what are the mean and variance of x?
group of answer choices
Answers: 1
Mathematics, 21.06.2019 17:20, organicmemez
Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
Answers: 2
Mathematics, 21.06.2019 17:30, NathalyN
The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period. value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?
Answers: 2
Mathematics, 21.06.2019 18:30, Alexandragurule18
Can someone check if i did this correct. it’s number 4 if you’re wondering.
Answers: 1
Mathematics, 22.06.2019 00:30, lolagrace06
Me i’m stuck on all these questions besides the two bottom ones
Answers: 2
When a random variable x has a binomial distribution with n=20, p=0.5, what are the mean and varianc...
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