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With reference to Exercise 30, use suitable statistical software to find the P-value that corresponds to the observed value of the test statistic. Use this P-value to rework the exercise.
Exercise 30
Five measurements of the tar content of a certain kind of cigarette yielded 14.5, 14.2, 14.4, 14.3, and 14.6 mg/cigarette. Assuming that the data are a random sample from a normal population, use the four steps in the initial part of Section 1 to show that at the 0.05 level of significance the null hypothesis μ = 14.0 must be rejected in favor of the alternative μ 14.0.
Mean of 950 and a standard deviation of 200. nancy bright's sat score was 1390. what percentage of students have scores more than nancy bright?
The variance of the return per share is 4 for stock 1 and 100 for stock 2. The covariance of the return between the two stocks is 5 per share. Use the total variance of the investment as investment risk.
Use the normal approximation to the binomial with a correction for continuity. Round your answer to at least three decimal places. Do not round any intermediate steps.
Given these data, determine the least-squares equation for predicting gross revenue on the basis of the number of equity partners, then interpret its slope. What would be the estimated gross revenue for a firm with 200 equity partners? Source:..
Find the mean number of customer complaint calls per week. Find the median number of customer complaint calls per week. Find the variance for the number of customer complaint calls per week
peak expiratory flow pef is a measure of a patients ability to expel air from the lungs. patients with asthma or other
the sample space contains 6as and 4bs. what is the probability that a randomly selected set of 3 will include 1a and
Compute the pdf of continuous random variable Z where Z = X + Y and X is a continuous random variable uniformly distributed on [0, 2] and Y is a continuous random variable uniformly distributed on [0, 4]. Assume that X and Y are independent.
Suppose that plants of a particular species are randomly dispersed over an area so that the number of plants in a given area follows a Poisson distribution with a mean density of λ plants per unit area. If a plant is randomly selected in this area..
in a sample of 1000 people 540 are in favor of candidate a and the rest are in favor of candidate b. find the 95
In determining automobile mileage ratings, it was found that the mpg in the city (x) for a certain model is normally distributed, with a mean of 24 mpg and a standard deviation of 1.0 mpg. Find the following:
At the 5% significance level, can the researcher reject the hypothesis that the mean reading scores of all children in the three school systems is the same? Formulate and test the appropriate hypotheses. Use the critical value approach.
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