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What do you conclude about the claim below? Do not use formal procedures or exact calculations. Use only the rare event rule and make a subjective estimate to determine whether then event is likely.
Claim: An employee of a company is equally likely to take a sick day on any day of the week. Last year, the total number of sick days taken by all the employees of the company was 143. Of these, 52 were Mondays, 14 were Tuesdays, 17 were Wednesdays, 17 were Thursdays, and 43 were Fridays.
Assuming the distribution of the salaries is normal, what is the probability that the average for this sample is between $36,000 and $42,000?
the totals of individual weights of garbage discard by 62 households in one week have a sample mean of 24.443 lb.
ABC Trucking Company purchased 15 trucks at the same time to start their business. 5 Trucks were purchased from Peterbilt, 5 from Freightliner, and 5 from Kenworth.
What fraction of cups will probably overflow if 230-milliliter cups are used for the next 1000 drinks? 0.0228 or 23 out of the 1000 drinks will overflow.
In calculating the UCR rape rates in New York City, which of the following would appear to be the best data for the denominator?
suppose the time to prepare a bed at a hospital is modeled with a random variable with a mean of 20 mins and a variance
construct a 96 confidence interval for the true mean breaking strength of a certain type of 10 ft. long cables. assume
the power generated by a solar electric generator is normally distributed with mean 15.6 kilowatts and standard
In an evaluation of the medical lab, the manager is interested in the efficiency of three technicians when they process four routine blood tests.
Set up hypothesis and two-tailed decision rule for right mean using 5% level of significance. Hypothesis for a two-tailed decision is?
The mean of a normal probability distribution is 60; the standard deviation is 5.
A researcher is evaluating the influence of a treatment using a sample selected from a normally distributed population with a mean of µ = 80 and a standard deviation of σ = 20. The researcher expects a 12 point treatment effect and plans to use a ..
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