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A recent University graduate in the field of Applied Human Science wants to estimate the mean number of years it takes University graduates to get a full time job in their field. If a good estimate of the standard deviation 1.6, how large of a sample needs to be taken if the maximum possible error is 0.2 of a year, and we would like to be 98% confident in our answer?
Please help me with this question
If the standard deviation in the above-described scenario had been, how would the results of the hypothesis test change?
Compute the relative risk of meeting their goals for the experimental and the control groups.- Compute the odds ratio of meeting their goals for the two groups and give 95% confidence intervals.
Explain the quote and make sure to define the nature of knowledge management and the types and kinds of leadership challenges that knowledge management engenders.
the manager of a grocery store wants to determine what proportion of people who enter his store are his regular
We want to know if, at the α = 0.05 level, there is sufficient evidence to conclude that the average calorie content of 1-ounce chocolate chip cookies produced by this brand is greater than 110 calories.
a. Identify the population of interest to us in this problem. b. Would an answer to the question posed involve estimation or testing a hypothesis?
As number sampled is large and those advocating a strike constitute over 50%, can we suppose that majority of all steelworkers favour a strike?
last years undergraduate distribution of gba was normally diatributed with a mean of 2.2 and a standard deviation of
one class of 40 students complain that they were harshly graded in the examination as l0 students received A or B ; 17 received a C ; and the rest received a D or lower. QUESTION: Is the class's complain about harsher grading justified? ( use a : 0..
Find the probability of a type II error, β, given that the true value of the population proportion is 0.72. The sample size is 50 and the significance level is 0.05.
1. in a random sample of 5 parts on an assembly line the probability that one of the parts is defect is 15 and follows
In a sample of 1000U.S.? adults,188 dine out at a restaurant more than once per week. Two U.S. adults are selected at random from the population of all U.S. adults without replacement
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