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A newspaper report stated that the hours spent by office workers in attending meetings have increased substantially during Covid-19. A study is conducted to examine the amount of time that office workers spend in attending meetings per week during the pandemic. The amount of time that office workers spend in attending meetings per week during Covid is normally distributed with a mean of 9 hours and a standard deviation of 1.5 hours.
-What is the probability that one randomly selected office worker would spend more than 6 hours per week for meetings? Display working.
-At most how much time per week (in hours) would be used by the 3% office workers who spend the shortest amount of time for meetings? Display working.
-An analyst randomly selected five office workers. What is the probability that the mean amount of time per week spent for meetings for those five workers is less than 11 hours per week? Display working.
-Further, the analyst randomly selected four other office workers. What is the probability that the average amount of time per week spent for meetings for those four workers is between 8 hours and 10.5 hours? Display working.
A market research worker interviewed a random sample of 18 people about their use of a certain product.- Estimate the population proportion of users of the product.
Suppose we have a population of scores with a mean (μ) of 200 and a standard deviation (σ) of 10. Assume that the distribution is normal. What score would cut off the top 5 percent of scores?
Find the mean,median and mode of the data if possible, if any measure cannot be found or does not represent the center of data explain why. Please show work.
The hypotheses tested by the one-way ANOVA F test - Evaluate the P-value of the ANOVA F test
a) What is the proportion of vehicles with a speed up to the limit? b) What proportion of the vehicles would be going less than 95 Km/h?
How many standard deviations from the mean would a steer weighing 1000 pounds be?- Which would be more unusual, a steer weighing 1000 pounds or one weighing 1250 pounds?
The management of a chain of fast food restaurants wants to investigate the relationship between the daily sales volume (in dollars) of a company restaurant and the number of competitor restaurants within a 1 mile radius. The following data have b..
two basketball players carmelo and jason independently attempt a free throw. the probability that jason makes his free
Mention your decision regarding the null hypothesis. If H 0 rejected can we conclude that treatment 2 and treatment 3 differ? Use 95 percent level of confidence.
Using the following data, test the question of whether an equal number of Democrats, Republicans, and Independents voted during the most recent election.
Each operator proceeds from one treatment to the next in a random order, and the times for completion of the operation are shown here. At the 0.05 level, determine whether the treatment effects of the two layouts could be zero.
Tobys Trucking Company determined that the distance traveled per truck per year is normally distributed, with a mean of 50.0 thousand miles.
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