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With reference to Example 4, for what values of 1 - 2 would the null hypothesis have been rejected ? Also find the probabilities of type II errors with the given criterion if
Example 4
An experiment is performed to determine whether the average nicotine content of one kind of cigarette exceeds that of another kind by 0.20 milligram. If n1 = 50 cigarettes of the first kind had an average nicotine content of 1= 2.61 milligrams with a standard deviation of s1 = 0.12 milligram, whereas n2 = 40 cigarettes of the other kind had an average nicotine content of x2 = 2.38 milligrams with a standard deviation of s2 = 0.14 milligram, test the null hypothesis μ1 - μ2 = 0.20 against the alternative hypothesis μ1 - μ2 0.20 at the 0.05 level of significance. Base the decision on the P-value corresponding to the value of the appropriate test statistic.
At the .01 significance level, can we conclude that the 30-yeer mortgage rate for small banks is less than 6 percent? Estimate the p -value.
question pizza hut wishes to find the 90 confidence interval of the true mean cost of a medium veggie pizza. how large
Determination of expected value of a random variable. Harrington Health Food stocks 5 loaves of Neutro-Bread. The probability distribution for the sales of Neutro-Bread.
If the same sample results had been obtained from a random sample of 16 students, could the students' claim be accepted at a lower level of significance?
suppose we draw k cards out of a deck. what is the probability that we do not draw an ace? is the answer larger or
in my class of 20 students 7 are juniors 11 are seniors and 9 are senior biology majors.a. what is the probability of
identify three situations where the measured output of a process has a small variation and three situations where the
each computer chip made in a certain plant will independently be defective with probability .25. if a sample of 1000
Let {Xn T1 = 0, 1, . . . } be a (discrete-time) Markov chain whose state space is the set Z of all integers. Suppose that the process spends an exponential time τ (in seconds) with parameter λ = 1 in each state before making a transition and that..
What is the difference between common cause variation and special cause variation? What should you do to improve a process when special causes of variation are present?
On average, 40 percent of U.S. beer drinkers order light beer. (a) What is the probability that none of the next eight customers who order beer will order light beer?
The population mean of a company's racing bicycles is 9.07 kg (20.0 lb) with a population standard deviation of 0.40 kg. If the distribution is approximately normal
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