Furnace repair bills are normally distributed with a mean of 267 dollars and a standard deviation of 20 dollars. If 64 of these repair bills are randomly selected, find the probability that they have a mean cost between 267 dollars and 269 dollars. 0.7881 0.2881 0.2119 0.5517 «< Question 6 of 16 Moving to another question will save this response.

In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 56.1 inches, and standard deviation of 1.8 inches.What is the probability that the height of a randomly chosen child is between 59.1 and 60.3 inches? Do not round until you get your your final answer, and then round to 3 decimal places.Answer= (Round your answer to 3 decimal places.)

please, draw the probability distribution chart(s) and solve the questions.

In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 56.2 inches, and standard deviation of 8.3 inches.What is the probability that the height of a randomly chosen child is between 65.95 and 75.15 inches? Do not round until you get your your final answer, and then round to 3 decimal places.Answer=       (Round your answer to 3 decimal places.)

In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 53.1 inches, and standard deviation of 1.1 inches. What is the probability that the height of a randomly chosen child is between 52.95 and 54.85 inches? Do not round until you get your your final answer, and then round to 3 decimal places. Answer= (Round your answer to 3 decimal places.)

MSNBC recently reported that the mean annual cost of auto insurance is 966 dollars. Assume the standard deviation is 275 dollars. You take a simple random sample of 94 auto insurance policies. Find the probability that a single randomly selected value exceeds 962 dollars.   = Incorrect0.5058 Find the probability that a sample of size is randomly selected with a mean that exceeds 962 dollars.   = Correct Enter your answers as numbers accurate to 4 decimal places.

In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 56.6 inches, and standard deviation of 6.6 inches. What is the probability that the height of a randomly chosen child is between 58.7 and 64.1 inches? Do not round until you get your your final answer, and then round to 3 decimal places.

In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 55.6 inches, and standard deviation of 8.6 inches.What is the probability that the height of a randomly chosen child is between 53.3 and 63.3 inches? Do not round until you get your your final answer, and then round to 3 decimal places.

In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 56.2 inches, and standard deviation of 3.5 inches, What is the probability that the height of a randomly chosen child is between 53.05 and 58.65 inches? Do not round until you get your your final answer, and then round to 3 decimal places. Answer= (Round your answer to 3 decimal places.)

A manufacturer knows that their items have a normally distributed length, with a mean of 10.3 inches, and standard deviation of 0.5 inches. If one item is chosen at random, what is the probability that it is less than 9.9 inches long? > Next Question