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A coin tossed 100 times and 530 heads appear. At a=0.05, test the claim that this is a non biased coin. Use a P-Value. does this suggest the coin is fair? Show all of your work including curve and make your conclusion in verbiage a layman can understand.
A random sample of size 70 is drawn from population. Determine probability that mean annual salary is between $32,000 and $32,500?
Can one conclude at a level of significance of .01 that the new ball has improved his game?
What is the probability that a roulette ball will come to rest on an even number other than 0 and 00?
Use simple exponential smoothing with α = 0.33 to forecast battery sales for February through May. Assume that the forecast for January was for 22 set of tires.
If a Normal model is useful for describing slalom times, approximately how many of the other 35 skiers finishing the event would you expect skied the slalom faster than Jean-Baptiste?
Consider the following situation describing layoffs at a manufacturing plant of the Monsanto Company. Does there appear to be a case of age discrimination between those laid off and those non-laid off?
If you suppose returns follow normal distribution, which investment would give better chance of getting at least a $40MIL return and describe why.
List the simple events in the sample for this experiment. Assuming that each pair of city council members has an equal chance of being selected, assign probabilities to each simple event.
What is the probability that the 100 randomly selected mangoes have a mean weight less than 14 ounces?
Assume the observed value of the test statistic is 1.53. What is the smallest level for which there is sufficient evidence to reject H 0 (i.e. the p-value for this test)?
Compute the probability that debt for a randomly selected borrower with good credit is more than $18,000?
With a 98% level of confidence a company producing street signs wants to make sure the length of their product is meeting quality standards.
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