a. high positive b. very high positive C. high negative d. very high negative ch is the correct equation of the regression line? a. y=-0.86x+8.93 b. y=-0.09x+8.93 C. y= 0.09x+8.93 d. y= 0.86x-8.93 t is the predicted number of sleep hours for persons with 60 years of age? a. 5.32 b. 6.87 C. 4.01 3.53

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Using Pyhton, answer questions 2 - 4.

hi can you solve question in pen or pencil and explain so i can understand thanks

I want all solved please thanks for first 3

please answer the questions i sent, exactly in the form of the question thank you so much

The records of a casualty insurance company show that, in the past, its clients have had a mean of  1.7  auto accidents per day with a standard deviation of  0.05 . The actuaries of the company claim that the standard deviation of the number of accidents per day is no longer equal to  0.05 . Suppose that we want to carry out a hypothesis test to see if there is support for the actuaries' claim. State the null hypothesis  H0  and the alternative hypothesis  H1  that we would use for this test. H0:H1:

Samuel scored a 72, 92 and 80 on his first three exams. What is the minimum score he needs to get on his next exam to get an average of 85 ?