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A simple random sample of 39 men from a normally distributed population results in a standard deviation of 12.2 beats per minute the normal range of pulse rates for adults is typically 60-100. If the rule of thumb is applied to the normal range the result is a standard deviation of 10 beats per minute. Use a 0.10 significance level to test the claim.
Solve
A. What is the result of x2=
B. P vaule
C. Reject/ do not reject Ho because the p value is less than or equal to/ greater than level of significance there is sufficient/ insufficient evidence to support the claim
Consider the gap method described at the end of Section 7.3.2. Suppose that in the course of the preflow-push algorithm the number m(k) of nodes that have price equal to k is 0. Let S be the set of nodes with price less than k, and let S be the c..
What is the required sample size, if the researcher wants to be accurate to within 0.5 minutes at a 95% level of confidence?
For each characteristic, explain whether the random variable is continuous or discrete.- Time to read a news article on the Internet.
consider the weibull distribution with shape parameter equal to 2.5 and shape rate parameter equal to 0.05a what is the
Why is it unlikely that copyright protection would usually lead to significant market power?
Calculate a 99% confidence interval for the mean weight of all newborn baby girls born at the local hospital.
Given this information, what is the probability that the first three tosses landed point down?
consider a small self-service car wash that has cars arriving with exponentially distributed inter arrival times at a
On the scale mentioned in problem 5.7, if a score of 40 or more is considered "highly prejudiced," what is the probability that a person selected.
a fair coin is tossed 8 times. what is the probability thata exactly 4 heads appear?b at least two heads appear?c at
For the preceding problem you should find that there are significant differences among the three treatments. One reason for the significance is that the sample variances are small.
1. the weights of all candy bars of this type are certainly not constant because of slight variations in the factory
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