Mathematics, 22.12.2021 09:30 chem1014
Researchers wanted to determine weather students taking classes in the morning performed better than students taking classes in the evening on their Probability and Statistics final exam. A random sample of students taking classes in the morning showed the mean final exam score of 178.5 points with the standard deviation of 21..2 points and a random sample of students taking classes in the evening showed the mean final exam score of 168.5 points with the standard deviation of 30.1 points. What is the alternative hypothesis when testing the claim at 5% level of significance
Answers: 2
Mathematics, 21.06.2019 15:30
Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.
Answers: 1
Mathematics, 21.06.2019 18:00
Ijust need to see how to do this. so you donβt have to answer all of them just a step by step explanation of one.
Answers: 3
Mathematics, 22.06.2019 01:00
The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places
Answers: 2
Mathematics, 22.06.2019 01:30
How do u write a function for the reflection across the y axis
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