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A survey of 350 lobster fisherman found that they catch an average of 32 pounds of lobster per day with a standard deviation of four pounds. if a random sample of 30 lobster fisherman is selected.
A) what is the probability that a single fisherman's catch is less than 31.5 pounds?
B) what is the probability that the sample of 30 fisherman's average catch is less than 31.5 pounds?
Find the critical t alpha/2 assuming the population is normally distributed, the confidence level is 95%, n=101 and sigma is unknown.
Can you determine the number of levels used for each factor? Explain. Describe a treatment for this experiment and determine the number of treatments used.
Given 7 male individuals in a Physical Education course, the number of sit ups each individual can do in a one minute period was recorded:
How large sample should be selected in order to obtain p estimate with a bound of 0.08 on the error of estimation.
A random sample of 24 groups of adults has a mean daily lodging cost of $233 and a standard deviation of $12.50. Is there enough evidence to reject the claim at α= 0.10? Assume the population is normally distributed.
Use a .10 level of significance to test the claim that the variance of all scores in the population is more than 9.
Why do we use graphical displays of the data from our research, such as Pareto Charts, Bar Charts, Pie Charts, Flow Charts, or Process Control Charts?
Describe different methods of establishing correlation between variables and provide an example of each. Discuss the advantages and disadvantages of each method and where each must be applied.
Be sure to include information about how you would use the concept of probabilities to apply to profiles for hiring more satisfied individuals.
What is the probability an applicant does not pass the test and is a sucessful manager?
Identify the null hypothesis, alternative hypothesis, test statistic, P-value or critical conclusion about the null hypothesis and final conclusion that addresses the original claim.
If standard deviation is 50 hours and α is equal to 0.01, what values for mean x will result in rejection of null hypothesis.
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