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0 Question 5 B 0/1 pt '0 3 8 98 (D Details For a standard normal distribution, find: P(z > c) = 0.2154 Find c
0 Question 5 B 0/1 pt '0 3 8 98 (D Details For a standard normal distribution, find: P(z > c) = 0.2154 Find c rounded to two decimal places. Submit Question 0 Question 7 E" 0/1 pt '0 3 8 98 6) Details A smartphone manufacturer knows that their phone battery's have a normally distributed lifespan, with a mean of 2.8 years, and standard deviation of 0.6 years. If you randomly purchase one phone, what is the probability the battery will last longer than 1 years? Round answer to three decimal places :] Question Help: El Video Submit Question 0 Question 8 E? 0/1 pt '0 3 8 98 6) Details 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 6.8 inches. What is the probability that the height of a randomly chosen child is between 44.3 and 71.8 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.) Submit Question Question 13 0/1 pt 9 3 98 8 Details A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.4 years, and standard deviation of 2.6 years. The 8% of items with the shortest lifespan will last less than how many years? Give your answer to one decimal place. Question Help: D Video0 Question 16 E? 0/1 pt '0 3 8 98 G Details The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 32 liters, and standard deviation of 5.4 liters. A) What is the probability that daily production is between 44 and 45.1 liters? Do not round until you get your your final answer. Answer=:] (Round your answer to 4 decimal places.) Warning: Do not use the Z Normal Tables...they may not be accurate enough since WAMAP may look for more accuracy than comes from the table. Submit Question 0 Question 13 E 0/1 pt '0 3 8 98 (9 Details A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 214.1 -cm and a standard deviation of 0.7-cm. Find the probability that the length of a randomly selected steel rod is less than 213.5-cm. P(X
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