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What percent of the total population is found between the mean and the z-score given? (Use the standard normal distribution table and enter your answer to two decimal places.) 2 = 3.48 x /o Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 60 people. (You may need to use the standard normal distribution table. Round your answers to the nearest whole number.) (a) How many would you expect to be between 160 and 180 cm tall? people (b) How many would you expect to be taller than 167 cm? people Suppose that, for a certain exam, a teacher grades on a curve. 01% 23% 34.1% 34.1% -41 115% [.LSo' uZo' [.LIO' y. p.+la' n+20' ;.L+30' Frequency It is known that the mean is 55 and the standard deviation is 5. There are 25 students in the class. (Round your answers to the nearest whole number.) (a) How many students should receive a C? student(s) (b) How many students should receive an A? student(s) A normal distribution has a mean of 85.6 and a standard deviation of 4.89. Find the data value corresponding to the value of z given. (Enter your answer to four decimal places.) z = 0.55 Need Help? Read It [-/0.76 Points] DETAILS SMITHNM13 14.3.053. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The diameter of a pipe is normally distributed, with a mean of 0.9 inch and a variance of 0.0004. What is the probability that the diameter of a randomly selected pipe will exceed 0.914 inch? (You may need to use the standard normal distribution table. Round your answer to four decimal places.)