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A bank has just made 200 car loans. The bank's records indicate that about 7% of their customers make late payments on their car loans. We will consider these 200 loans to be a random sample of all of their car loans.
Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to find the probability of x successes given the probability p of success on a single trial.
question 1 i. we are conducting a two tailed hypothesis test at a 1 significance level to test that the mean of a
Could you please tell in what situation the maentl hanszel test is more appropriate than using chi square. I believe maentl hanszel is used when a confounding variable is present thus allowing for adjustment
The Wilcoxon rank sum of the ranks for group and The value of the Wilcoxon signed rank statistic
To compare the effectiveness of two treatments 1 and 2 for a particular disease. Patients were separated in 2 treatment groups. A patient in group 1 received treatment 1 and patients in group 2 received treatment 2.
Follow the conventions as described in the general guidelines for writing up Special Problems.
At the 5% level of significance, can we infer that the population mean weight of athletic men is lower than the population mean weight of non-athletic men by more than 2 pounds?
a c chart is to be used to control soldering imperfections on a certain mass-produced circuit board. after 250 circuit
Thompson Machine Works purchased several new, highly sophisticated machines. The production department needed some guidance with respect to qualifications needed by an operator. Four variables were listed.
Determine the oucomes in the sample space, and construct a probability distribution table. Find the expected value of the following game.
Among 134 randomly selected students, 9.3% refused to respond on a survey on cheating while among 154 male college students, 14.6% refused to respond to the same survey. Determine test statistic, critical values, p-value, and conclusion.
Assume 85% of passengers show up, 15% will not. Airline booked 11 people for 10 seats.
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