If the radius of a cylinder doubles, how can you describe the changes in lateral area and surface area? A. The surface area and lateral area are both doubled. B. The surface area doubles, but a single ratio cannot be used to describe the change in lateral area. C. The lateral area doubles, but a single ratio cannot be used to describe the change in surface area. D. A single ratio cannot be used to describe the changes in either lateral area or surface area.

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Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.