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Suppose you are going to roll a fair six sided die 30 times and record p(hat) the proportion of times that a 1 or a 2 is showing. 1.) where should the distribution of the 30 p(hat) values be centered? 2.) what is the standard deviation of the sampling distribution of p(hat) the proportion of all rolls of the die that show a 1 or a 2? 3.) describe the shape of the sampling distribution of p(hat) thank you if u can help me with any of it I am completely stuck!!
Is there sufficient evidence for concluding that true average repair time exceeds 200 min? Carry out a test of hypotheses using a significance level of .05.
Conclude that the population average pulse rate is 71.8. Reject the hypothesis that the population average pulse rate is 70.
Explain how the Central Limit Theorem can help you convince your boss that while you can't get rid of sampling error the results from your statistical work (that is based on sampling) can still be useful.
The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 96 pounds. A random sample of 50 newly manufactured cables has a mean breaking strength of 1950 pounds.
Using a normal distribution with a mean of 1118 and a standard deviation of 52 for the weights of steers, what percent of steers weigh over 1250 pounds, under 1100 pounds, between 1000 and 1150 pounds.
There are four conditions/requirements that must be met in order to perform simple linear regression. For each of the conditions below, choose the technique that should be used to determine whether or not that the condition is met.(Each answer ma..
Jon Molnar will graduate from Carolina Forest High School this year. He took the American College Test (ACT) for college admission and received a score of 30.
Determine the critical path probability that project will be completed within?
A silver dollar is flipped twice. Calculate the probability of each of the following occurring:
Determine a 95% confidence interval for true time battery pack can function before having to be recharged.
Of the nine members of the board of trustees of a college, five agree with president on a certain issue. The president selects three trustees at random and asks for their opinions. What is the probability that at least two of them would agree with..
The heights of 40 randomly selected people and the heights of their mothers are recorded. Statdisk is used to run a linear correlation and regression analysis. The partial results are provided below:
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