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The shrimp survey data (Examples 1 and 2) give a covariance function c(x) = 5.1 exp(-0.49x), where x is distance in nautical miles. The catches at sites 1 and 2, which are 3 nmi. apart, are 1.200 and 2.400, respectively (units are in thousands of pounds). Predict the catch y0 at a new site:
(a) Halfway between sites 1 and 2
(b) 5 nmi. from each of sites 1 and 2
(c) 1 nmi. from site 2 and 4 miles from site 1
(d) 4 nmi. from site 1 and 5 miles from site 2 Along with each prediction, give the prediction mean square error (MSE).
Perform a proper analysis. Describe your null and alternative hypothesis, report the p-value. What is your conclusion?
(b) Compare the effectiveness of this representation with those given in Section 5.8. Consider both the savings in space and any increase or decrease in access time.
Use the forecast to find the probability that in a random sample of 10 major bridges in the city, at least 3 will have an inspection rating of 4 or below in 2020.
In a poll of 400 randomly selected voters, 204 of them support the strategist's candidate. At = .05, is the political strategist's claim warranted?
an airline has an advertisement that states ...our passengers always receive their bags within 20 minutes after the
a. Find the degree of freedom for unequal variance test. b. State the decision rule for .05 significance level. c. Compute the value of the test statistic.
Consider the EOQ model with planned shortages, as presented in Sec. 19.3. Suppose, however, that the constraint S/Q = 0.8 is added to the model. Derive the expression for the optimal value of Q.
radovilsky manufacturing company in hayward california makes flashing lights for toys. the company operates its
Suppose that four tickets will be given prizes in a lottery having 30,000 tickets. What is the probability of winning at least one prize if you buy 1,000 tickets?
Use the p-value approach and test to determine if the average yearly income of marketing managers in the East is significantly different from the West.
A baseball pitcher has only three pitches: a fast ball, a curve ball, and a knuckle ball. How many different ways can this be done
Particular brand that they buy. A retailer has ordered a consignment of 5000 such lamps for its chain store nationwide. What is the probability that, the number of defective lamps will be 500 or less?
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