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Consider a hypothesis test on a mean of a normally distributed population where the hypothesis are H0: (mean)=10. H1: (mean) > 10 and the characteristicts are n=25, Standard Dev= 2, Alpha =.05 What is the probability of a type II error if the true mean = 12
Plot the data on fruit and vegetable consumption. Discuss the underlying causes that might explain the trend or pattern. Fit a linear trend to the data.
an urn contains nine white balls and 11 black balls. a ball is drawn and replaced. if the ball is white your opponent
0.09 of cars produced in a certain auto company will have technical problems.the probability that a batch of 500 cars
Show that Q3 is an unbiased estimator for q and if Q1 and Q2 are independent, how should the constant a be chosen in order to minimize the variance of Q3?
Many educators feel their grades should fit a normal distribution and often apply curves to make them fit one. One way to do this is to convert numeric grades to z scores using the mean and standard deviation for the grades, then use an equation s..
Between 180 and 230 (inclusive) of the drivers in the sample regularly wear a seatbelt? Hint: Use the BINOMDIST function in Excel.
Name an application for the use of ANOVA. This can be in a professional setting, hobby, or something you find on the internet. What are some business situations where ANOVA would be more appropriate than a Z or T test?
Between what two values does the P -value of this test fall?
Compute the expected number of barrels that will be sol on Saturday. (Answer to Whole numbers)
A precision parts manufacturer produces bolts for use in military aircraft. The specifications for bolt length are 37.50 ± 0.25 cm. The company has established an -chart and an R-chart using samples of size five.
find the indicated probabilities using the geometric distribution or poisson distribution. then determine if the events
Suppose that 20% of the population has high blood pressure. If 7 people are randomly selected off the street, what is the probability that more than 4 of them do not have high blood pressure?
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