Please help me with this problem by showing me step by step how to solve them. Thank you so much to whoever helps me I will use this as a guide for future problems that I have difficulty with.

9) Lets suppose the average length of full term babies in the U.S is 20 inches with a standard deviation of 1.5 inches.

a) label your graph on the horizontal axis for three standard deviations from the mean.

b) if there are 5000 babies approx. how many will be shorter than 17 in.?

7) a utility customer asked 50 of its customer whether they pay their bills online or by mail. What is the probability that a customer pays the bill by mail, given that the customer is female?

male Online By mail

female 12 for male 8

24 for female 6

11) Dungeon and Dragons (old popular board game ) uses a twenty side number cube (die) , what is the probability that you will roll an even or an odd prime number ? The number 1 isn't an odd prime. Round to three decimals

From the given Normal Distribution label the mean, Standard Deviations, and 9. a) percentages. 9. Let's suppose the average length of full-term babies in the U.S. is 20 inches with a standard deviation of 1.5 inches. a) Label your graph on the horizontal axis for three standard deviations from the b) mean. b) If there are 5000 babies approx. how many will be shorter than 17 in.? Summary/Notes Arrange the data from least to greatest before finding the mean, median, and . Mean (x): sum of the data values number of data values Normal Distribution: . Standard Deviation (o): E( x-x) 2 n 0:3 0.4 where x - x is the difference between 34. 1% 34.1%% each value x and the mean. . Square each difference, (x - x) 2 00 01 0.136 2.159 2.1 1 13 6% 13 0 -30 -20 -10 10 20 PCAIB ) = P CANB PCB ) 7. A utility company aske 50 of its customers whether they pay their bills online of by mail. What is the probability that a customer pays the bill by mail that the