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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?
Determine the probability that a randomly selected teacher earns more than $525 per week?
Construct a stem and leaf plot of the income. what do you predict about the shape of the population distribution. complete the following sentence. Fifty percent of the data falls below $ ______.
Why is a normal distribution called "normal"? Investigate the answer to this question on the internet and share the answer in your own words. Be sure to cite your sources.
The mean of a normal probability distribution is 60; the standard deviation is 5.
Determine a simple algebraic relationship between the negative binomial probability P(x) and the binomial probability for the probability of n successes in x trials.
The test statistics in a right tailed test is z= 2.50. Also use a .05 significance level and state the conclusion about the null hypothesis (reject null hypothesis or fail to reject the null hypothsis)
Generate a 95% confidence interval for the true mean total cholesterol levels in children.
If probability the first truck is available is= .75, probability the second truck is available is= .50, and probability both are available is= .30, determine the probability which neither truck is available?
Evaluate a simple aggregate price index for 2004. Use 2000 as the base period - Estimating the simple aggregate price index.
Make for more scatter plots comparing GDP growth 1970-2000 to corruption, political rights, rule of law, and socio-political instability
Plot the control limits for the mean outside diameter and the range.
Findout the 98% confidence interval for true mean. Findout a 98% confidence interval for the cigarette tax in all 50 states.
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