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The Gordon S Black Corporation surveyed 439 working parents: 320 of those surveyed said that one parent would stay at home if money were not a factor(Democrat and Chronicle, November 28, 1988). Is there sufficient evidence to conclude that p, the population proportion who would stay at home, is greater than 0.70? Use a=0.02.
a) What are the Ho and HA?
b) What is the p-value?
c) State the conclusion in context of this problem.
Sam Smith considers that time is of the essence in consummating the proposed transaction." Unfortunately, Ben was unable to close on the date specified.
Is there any evidence to suggest the mean methane output per well per day has increased?- Find bounds on the p value associated with this hypothesis test.
What is the probability that my call will go through in less than 1 minute?- What is the probability that I will get through in less than 40 seconds?
Compute P(X) using the binomial probability formula. Then determine whether the normal distribution can be used to estimate this probability. If so, approximate P(X) using the normal distribution and compare the result with the exact probability. ..
If none of the 10 pills are of the same type, what is the expected number of patients who will get their prescribed pills?
State University. Public relations staff at State U. collected data on people's opinions of various colleges and universities in their state.
Formulate the null and alternative hypotheses. find the test statistic z value. find the p value. And state the conclusion.
Perform a calculation for the mean deviation for each of the weight sets using the following 2 treatment data set for the following group of eight people. Perform a calculation for the standard deviation for each group above, using a given data set
The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.35, and the sample statistics includen =1276 subjects with 434 saying that they smoked a cigarette in the past week. Find the value of the test stati..
Compute the mean and standard deviation for the sample data in the file Drug$.
Give a 99% con?dence interval for the proportion of people in the given age group who may be successfully treated with the facial cream.
A student conducted a study on the height and weight of adult males. She collected data from 40 adult males and found that average height is 68.34 inches with a standard deviation of 14.02 inches
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