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Find the z score corresponding to a score of X = 60 for each of the following distributions:
a) µ = 50 and σ = 10
b) µ = 50 and σ = 5
c) µ = 70 and σ = 20
d) µ = 70and σ = 5
A box contains 9 tickets numbered 1 to 9 inclusive. If 3 tickets are drawn from a box one at a time, find the probability that they are alternative after (1) odd, even, odd or (2) even, odd, even.
Using the ten sample-mean values, estimate the mean of the population and the variance of x .
At the .01 significance level can we conclude the mean age is more than 8.4 years for the cars of university students? State the null hypothesis and the alternate hypothesis.
Find out: The slack on all activities. The critical activities. The critical path.
Illustrate a quantitative assessment of what our charts would look like and what these new targets would do to our operations.
To determine if this is evidence that students perform worse under uncomfortable conditions, The P-value of a test
At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.
Create a 90% confidence interval for mean score on this placement exam for all students.
Determine the test value? Use α = 0.05. (Use the variances unequal formula).
Find the probability of winning jackpot?
Solve problem graphically1. Describe optimal solution and objective function value in context of the problem.
What is the null hypothesis? What is your decision if a = 0.01?
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