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A basketball coach wants to know how many free throws an NBA player shoots during the course of an average practice. The coach takes a random sample of 43 players and finds the average number of free throws shot per practice was 225 with a standard deviation of 35. Construct a 99% confidence interval for the average number of free throws in practice.
A medical researcher suspects that the pulse rate of smokers is higher than the pulse of non smokers. Use the sample statistics below to test the researchers suspicion.
A building contractor pays $500 to bid on a contract. If he gets the contract, the probability of which he estimates to be 0.70, he will make a profit of $50,000.
karen is an acupuncturist with a busy practice. in addition to acupuncture services karen sells teas herbal supplements
An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of two emails per hour.
find and attach a cross tabulation of data that is of interest to you. write a question for the following along with
Use the binomial distribution in the Data Analysis add - in to simulate the distribution of men and women among the next ten arrivals at an emergency room, assuming that, on average, six people out of ten who arrive are men.
what is the central limit theorem? according to the central limit theorem the expected value for a sample mean is as
an offspring of a grey cat is grey with probability 0.6 and white with probability 0.4. an offspring of a white cat is
At the 5% level of significance, can we infer that branch A has a significantly higher proportion of satisfied customers than branch B?
a consultant is beginning work on three projects. the expected profits from these projects are 37. thousand 68.
question consider the following two designs for a 28-3 fractional factorial design.design inbsp design
information about a regression analysis includes an intercept of 5.99 and a slope of 0. make a prediction of y based on
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