1. Adult men have heights with a mean of 69.0 inches and a standard deviation of...

1. Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the z-score of a man 68.8 inches tall. (to 2 decimal places)

2. In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 56.5 inches, and standard deviation of 1.2 inches.

A) What is the probability that a randomly chosen child has a height of less than 57.9 inches?

Answer= _______(Round your answer to 3 decimal places.)

B) What is the probability that a randomly chosen child has a height of more than 53.9 inches?

Answer= _______(Round your answer to 3 decimal places.)

Solutions

Expert Solution

orchestra answered 1 year ago

Next > < Previous

Related Solutions

Heights of adult American males are normally distributed with a mean of 69.0 inches and a standard deviation of 2.8 inches.

Heights of adult American males are normally distributed with a mean of 69.0 inches and a standard deviation of 2.8 inches. The U.S. Marine Corps requires that males have heights between 64 inches and 78 inches. What percentage of males are eligible for the Marines based on height?

Heights are generally normally distributed. Men have a mean of 69.5 inches and standard deviation 2.4...

Heights are generally normally distributed. Men have a mean of 69.5 inches and standard deviation 2.4 inches. Women have a mean of 63.8 inches and standard deviation 2.6 inches. The US Air Force has a height requirement for their pilots to be between 64 inches and 77 inches. Make sure you are rounding z-scores properly to two places. Part A: Find the two z-scores for women who meet this height requirement z = (smaller value) and z = (larger value) Part B:...

1/The heights of adult men in America are normally distributed, with a mean of 69.2 inches...

1/The heights of adult men in America are normally distributed, with a mean of 69.2 inches and a standard deviation of 2.65 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.5 inches and a standard deviation of 2.51 inches. a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? z = b) What percentage of men are SHORTER than 6 feet 3 inches?...

1.The heights of adult men in America are normally distributed, with a mean of 69.3 inches...

1.The heights of adult men in America are normally distributed, with a mean of 69.3 inches and a standard deviation of 2.63 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.2 inches and a standard deviation of 2.54 inches. a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? z = b) What percentage of men are SHORTER than 6 feet 3 inches?...

The heights of adult men in America are normally distributed, with a mean of 69.4 inches...

The heights of adult men in America are normally distributed, with a mean of 69.4 inches and a standard deviation of 2.66 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.4 inches and a standard deviation of 2.59 inches. a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? z = b) What percentage of men are SHORTER than 6 feet 3 inches?...

The heights of adult men in America are normally distributed, with a mean of 69.5 inches...

The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a standard deviation of 2.65 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.7 inches and a standard deviation of 2.53 inches. a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? z = b) What percentage of men are shorter than 6 feet 3 inches?...

The heights of adult men in America are normally distributed, with a mean of 69.5 inches...

The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a standard deviation of 2.68 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.4 inches and a standard deviation of 2.53 inches. a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? b) What percentage of men are SHORTER than 6 feet 3 inches? Round to...

The distribution of heights of adult American men is approximately normal with mean of 69 inches...

The distribution of heights of adult American men is approximately normal with mean of 69 inches in standard deviation of 2.5 inches. a. what is the probability that a selected male is either less than 68 or greater than 70 inches b. find the probability that a selected male is between 69 and 73 inches

The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation...

The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation 3 inches. What is the probability that the height of an 18-year-old man selected at random is between 66 inches and 67 inches? 0.8807 0.4283 0.1193 0.3807 0.1333.

The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation...

The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation 3 inches. What is the probability that the average height of a sample of twenty 18-year-old men will be less than 69 inches? Round your answer to four decimal places.

Subjects