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The General Social Survey asked the following question: If your party nominated a woman for President, would you vote for her if she were qualified for the job? 23,257 people said YES and 3,531 people said NO. Conduct a hypothesis test at the =0.05 level to see if the true population proportion ( ) is greater than 0.85.(a) What are assumptions?(b) What are the null and alternative hypotheses?(c) Compute the test statistic.(d) Find the p-value.(e) Make a conclusion and interpret it in the context of the problem.(f) Find a 95% confidence interval for the true population proportion ( ). Are the conclusions based on the confidence interval consistent with the results of the hypothesis test? (Hint: Is 0.85 in the confidence interval?)
Use a Venn diagram and the given information to estimate the number of elements in the indicated region.
Conditional Probability Example I'm trying to set up an excel spreadsheet to solve a statistical probability.Patients 23% (smokers) -18% have a chance of contracting a serious illness
The scores on a lab test are normally distributed with mean of 200. If the standard deviation is 20, find
Probability and Expected Cash Flow in Marketing Management. Cooper Construction is considering purchasing new, technologically advanced equipment. The equipment will cost $625,000 with a salvage value of $50,000 at the end of its useful life of 10..
What is the probability that the first individual to whom measure is given is not truly depressed if not diagnosed as depressed.
Consider the following Pay-off Table: Decision Alternatives Shortage Stable Supply Surplus
Use the inverse of the co-efficient matrix to solve the equation.
Let C be the line segment form P(1,0,2) to Q(-2,3,1), and let F be the force given by F(x,y,z)= 2zi - yj + 2xk. Find the work done by F in moving a particle along C.
A farmer wants to fence o a rectangular ?eld and then divide the ?eld in half with a fence down the middle (see diagram below). If he can only aord 240 ft. of fencing material, what is the width y which gives the maximum area of the ?eld?
Use properties of moduli to sow that when |z3| does not equal |z4|, Re(z1 + z2) / |z3 + z4|
Calculate the simple linear regression equation
How many different 4-card hands are possible? How many different 4-card hands contain a number less than 7?
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