Number 7 parts a,b,c

G AutoSave O arr A85. Homework #8- Chapt... Insert Draw Design >> Tell me Share Editing C A . Font Paragraph Styles Dictate Sensitivity Editor Open Grammarly means will be notmany distributed, fur any sample size it. b. When the distribution of the original variable is not normal, a sample size of 30 or more is needed to use a normal distribution to approximate the distribution of the sample means. The larger the sample, the better the approximation will be. 7. The average number of students in a community college classroom is 30. Assume the variable is normally distributed and the standard deviation is S. Therefore, find the probability that the mean of a sample of 36 classrooms are: A. Greater than 35 B. Less than 25 C. Between 28 and 32 8. The average public school teacher salary in Alabama is $51,810. Suppose that the distribution of salaries is normal with a standard deviation of $6500. A. What is the probability that a randomly selected teacher makes less than $45,000 per year? B. If we sample 50 teachers' salaries, what is the probability that the sample mean is less than $53,0007 lage 2 of 2 499 words OX Focus 100%% CST 13 stv O ook Air 4) F7 DII F8 DD F9 F10 F11 (40)) F12 + O