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The distribution of the number of hours people spend at work per day is unimodal and...
O Courses The distribution of the number of hours people spend at work per day is...
O Courses The distribution of the number of hours people spend at work per day is unimodal and symmetric with a mean of 8 hours and a standard deviation of 0.5 hours. If Anthony's Z-score for his work hours was -1.3, explain what this value means in terms of the number of hours he works, arse Hon mework O A. Anthony works 1.3 hours more than the average person. B. The number of hours Anthony works is 1.3 standard devations...
You see an article that claims that Americans spend an average of 5 hours per day...
You see an article that claims that Americans spend an average of 5 hours per day watching television with a standard deviation of 1 hour. a. Draw the distribution. b. Find the probability that a randomly selected person spends between 3 and 5 hours watching television. c. Find the percentage of people who spend more than 6 hours watching television. d. If a person is in the top 2.5%, what is the minimum amount of time that the person is...
Suppose data about the average number of hours people spend on social media websites at work...
Suppose data about the average number of hours people spend on social media websites at work is randomly collected for 5 days: 4, 4.5, 2.5, 2, 6 A.) If we assume this population is normally distributed, construct an 80% confidence interval for the population average amount of time people spend on social media websites at work. B.) Suppose I want to know more about how workers spend their time throughout the day. I want to test the claim that people...
A newspaper article reported that people spend a mean of 7 hours per day watching TV,...
A newspaper article reported that people spend a mean of 7 hours per day watching TV, with a standard deviation of 1.8 hours. A psychologist would like to conduct interviews with the 10% of the population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate computations...
The following data show the number of hours per day 12 adults spent in front of...
The following data show the number of hours per day 12 adults spent in front of screens watchin 4.3 4.5 7.4 1.3 5.7 4.6 3.4 7.9 2.2 5.1 1.7 8.3 a. Construct a 99% confidence interval to estimate the average number of hours per day adults s The 99% confidence interval to estimate the average number of hours per day adults spend (Round to two decimal places as needed.) b. What assumptions need to be made about this population? O...
A newspaper article reported that people spend a mean of 6 hours per day watching TV,...
A newspaper article reported that people spend a mean of 6 hours per day watching TV, with a standard deviation of 1.8 hours. A psychologist would like to conduct interviews with the 10% of the population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate computations...
A newspaper article reported that people spend a mean of 7.5 hours per day watching TV,...
A newspaper article reported that people spend a mean of 7.5 hours per day watching TV, with a standard deviation of 1.8 hours. A psychologist would like to conduct interviews with the of the 10 % population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate...
The following data show the number of hours per day 12 adults spent in front of...
The following data show the number of hours per day 12 adults spent in front of screens watching television-related content. Complete parts a and below. 1.3 5.7 4.6 3.4 4.3 5.1 7.9 7.40 8.3 1.7 2.2 a. Construct a 99% confidence interval to estimate the average number of hours per day adults spend in front of screens watching television-related content. The 90% confidence interval to estimate the average number of hours per day adults spend in front of screens watching...
A survey of 200 middle managers showed a distribution of the number of hours of exercise...
A survey of 200 middle managers showed a distribution of the number of hours of exercise they participated in per week with a mean of 3.71 hours and a standard deviation of 4.92 hours. Complete parts (a) through (c) below. a) According to the Normal model, what percent of managers will exercise fewer than one standard deviation below the mean number of hours? ___ % (Round to the nearest whole number as needed.) b) For these data, what does that...
The distribution of the number of hours that a random sample of people spend doing chores...
The distribution of the number of hours that a random sample of people spend doing chores per week i shown in the pie chart Use 32 as the estimate the sampke mean and the sample standard deviation of the data set midpoint for "30+hours-Make a frequency dotrbtion for the data Then use the table to Click the icon to view the pie chart Class Frequency 0.4 10-14 15-19 25-29 30+ Find an approximation for the sample mean (Type an integer...
O Courses The distribution of the number of hours people spend at work per day is unimodal and symmetric with a mean of 8 hours and a standard deviation of 0.5 hours. If Anthony's Z-score for his work hours was -1.3, explain what this value means in terms of the number of hours he works, arse Hon mework O A. Anthony works 1.3 hours more than the average person. B. The number of hours Anthony works is 1.3 standard devations...
A newspaper article reported that people spend a mean of 7 hours per day watching TV, with a standard deviation of 1.8 hours. A psychologist would like to conduct interviews with the 10% of the population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate computations...
The following data show the number of hours per day 12 adults spent in front of screens watchin 4.3 4.5 7.4 1.3 5.7 4.6 3.4 7.9 2.2 5.1 1.7 8.3 a. Construct a 99% confidence interval to estimate the average number of hours per day adults s The 99% confidence interval to estimate the average number of hours per day adults spend (Round to two decimal places as needed.) b. What assumptions need to be made about this population? O...
A newspaper article reported that people spend a mean of 6 hours per day watching TV, with a standard deviation of 1.8 hours. A psychologist would like to conduct interviews with the 10% of the population who spend the most time watching TV. She assumes that the daily time people spend watching TV is normally distributed. At least how many hours of daily TV watching are necessary for a person to be eligible for the interview? Carry your intermediate computations...
The following data show the number of hours per day 12 adults spent in front of screens watching television-related content. Complete parts a and below. 1.3 5.7 4.6 3.4 4.3 5.1 7.9 7.40 8.3 1.7 2.2 a. Construct a 99% confidence interval to estimate the average number of hours per day adults spend in front of screens watching television-related content. The 90% confidence interval to estimate the average number of hours per day adults spend in front of screens watching...
The distribution of the number of hours that a random sample of people spend doing chores per week i shown in the pie chart Use 32 as the estimate the sampke mean and the sample standard deviation of the data set midpoint for "30+hours-Make a frequency dotrbtion for the data Then use the table to Click the icon to view the pie chart Class Frequency 0.4 10-14 15-19 25-29 30+ Find an approximation for the sample mean (Type an integer...
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