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It was thought that the national average price per pound for Ospertan Basil Oil in 1999 in the US was $14 per pound. Since that time the Ospertan Basil Oil Cartel (OBOC) has tried to limit the supply of Ospertan Basil Oil reaching the U.S in order to change the price. The OBOC commissioned a study to determine if there has been a change in the price since 1999. They sampled 43 Ospertan Basil Oil distributors and found the price per pound at each of those establishments. Answer the following questions about this data(prices).
Do the sampled basil prices appear to come from a normal distribution?
In a manufacturing process a random sample of 36 bolts manufactured has a mean length of 3 inches with a standard deviation of .3 inches. What is the 99% confidence interval
Random sample of round-trip discount fares on this route last month gives: At .01 significance level can we conclude that mean fare has increased? Determine the p-value?
In a random sample of 16 mountain climbers who are going to attempt Mt. McKinley what is the probability of each of the following All 16 reach the summit.
Suppose that 25 people are called in for jury duty, two of whom are Native American. If 12 of the 25 people are randomly selected to the jury. What is the probability that n
The number of items rejected daily by a manufacturer because of defect for the last 30 days are 22, 21, 8, 17, 25, 20, 18, 19, 14, 13, 11, 6, 21, 23, 4, 19, 11, 12, 16, 16,
Calculate a 99% confidence interval for the true mean difference between pretreatment and after treatment testosterone levels of young male TBI patients.
Assuming that X is a normal R.V. with mean 1000 and variance 2500, find the probability that a resistor picked at random will be rejected.
Suppose that past data are not available for developing a planning value for p; therefore, you will use p = 0.050 for the planning average.
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