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To find the probability using binomial distribution. The probability that a bomber hits a target on a bombing mission is 0.700. Three bombers are sent to bomb a particular target.
[a] What is the probability that at least one hits the target?
[b] What is the probability that they all hit the target?
Evaluate the standard deviation - use the conservative value for the degrees of freedom, Assume the two groups are independent and the data are approximately Normal. Let µ 1 and µ 2 represent the mean heart rates we would observe for the entire po..
Linear programming problems. Computethe following linear programming problem. Among which of the following points (X,Y) is feasible.
Concept of statistical signi cance
An advantage of the permutation test over the t test for a difference in means is that - distribution interval or a bootstrap percentile interval
What is the minimum sample size needed in order for you to be 95% confident that your estimate is within 5 of µ? Use the value 20 for the population standard deviation of scores on this subsection.
Suppose that the results of the sample lead to rejection of the null hypothesis. Classify that conclusion as a:
In a distribution of scores, the arithmetic mean is 51, the median is 55, and the mode is 62. What is the score, in percentile form, of a subject who does less well than two-thirds of the sample?
Data on distribution of cost for building effort, design work and testing effort.
What should the cut-off score be for the interviews? (Round to nearest whole number).
Compute fraction of the employees cost between $1,500 and $2,000 per year? Evaluate percent that didn't have any dental expense.
Which is the probability that the median of the sample is between $17 and $20?
Suppose we wish to test the null hypothesis that there are no differences among the proportion of men and women who developed a rash. Evaluate the P-value of the chi-square test of this hypothesis.
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