A nationwide survey showed that 65% of all children in the United States dislike eating vegetables. The same survey found that 45% of all children in the United States dislike taking baths. What is the probability that a randomly selected child dislikes both vegetables and baths (assume independence)?
A nationwide survey showed that 65% of all children in the United States dislike eating vegetables....
In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 54.1 inches, and standard deviation of 1.5 inches. What is the probability that the height of a randomly chosen child is between 51.15 and 53.65 inches? Answer=
In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 53.6 inches, and standard deviation of 3.4 inches. A) What is the probability that a randomly chosen child has a height of less than 50 inches? Answers (Round your answer to 3 decimal places.) B) What is the probability that a randomly chosen child has a height of more than 61.4 inches? Answers (Round your answer to 3...
In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 54.6 inches, and standard deviation of 7.7 inches. A) What is the probability that a randomly chosen child has a height of less than 40.05 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 36.1 inches? Answer= (Round your answer to 3...
in a countyof 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 2.6 inches. A) What is the probabilty that a randomly chosen child has a height of less than 60.8 inches?______round three decimal places B) What is the probability that a randomly chosen child has a height of more than 48.7 inches?_______round three 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 54.6 inches, and standard deviation of 1.4 inches. What is the probability that the height of a randomly chosen child is between 52.9 and 55 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 56.3 inches, and standard deviation of 6.6 inches. What is the probability that the height of a randomly chosen child is between 50.8 and 70.3 inches? Do not round until you get your your final answer, and then round to 3 decimal places.
The 2000 Census showed that 26% of all firms in the United States are owned by women. You are phoning 6 local businesses, assuming that the national percentage is true in your area.. What is the probability that all are owned by women, b) at least one is owned by woman, c) exactly 3 are owned by women?
2. Table 1 below shows data from a survey of a random sample of people in the United States in November of 2016 (the Current Population Survey). You arc asked to do a two-sided hypothcsis test to test the null hypothesis Put another way Wherc pv21 is the probability that a randomly chosen 21 year old votes and p.25 1s the proba- pv.21-pu ,25 bility that a randomly chosen 25 year old votes a) If you assume the null hypothesis...
A group conducted a survey of 13,000 brides and grooms married in the United States and found that the average cost of a wedding is $26,858. Assume that the cost of a wedding is normally distributed with a mean of $26,858 and a standard deviation of $5,900. (a) What is the probability that a wedding costs less than $18,000? (Round your answer to four decimal places.) (b) What is the probability that a wedding costs between $18,000 and $30,000? (Round...
A group conducted a survey of 13,000 brides and grooms married in the United States and found that the average cost of a wedding is $26,858. Assume that the cost of a wedding is normally distributed with a mean of $26,858 and a standard deviation of $5,900. (a) What is the probability that a wedding costs less than $18,000? (Round your answer to four decimal places.) (b) What is the probability that a wedding costs between $18,000 and $30,000? (Round...