Math Course

Work in Class(Ch. 7 & 8) Math 1342 Name___________________________________ MULTIPLE CHOICE. draw the one preference that best completes the argumentation or answers the question. get word an appropriate response. 1) High temperatures in a certain chief city for the month of August follow a uniform diffusion over the interval 65°F to 87°F. What is the sham that a haphazard selected August day has a in high spirits temperature that exceeded 70°F? A) 0.2273 B) 0.7727 C) 0.4605 D) 0.0455 SHORT ANSWER. salve the word or phrase that best completes each disceptation or answers the question. 2) You be performing a study approximately the weight of preschoolers. A previous study found the weights to be radiation patternly distributed with a mean of 30 and a meter recreation of 4. You randomly savor 30 preschool children and find their weights to be as follows. 25 25 26 26.5 27 27 27.5 28 28 28.5 29 29 30 30 30.5 31 31 32 32.5 32.5 33 33 34 34.5 35 35 37 37 38 38 a) Draw a histogram to display the data. Is it reasonable to assume that the weights are radiation diagramly distributed? wherefore? b) Find the mean and measure excursus of your sample. c) Is there a high probability that the mean and standard deviation of your sample are consistent with those found in previous studies? apologize your reasoning. 2) 1) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

3) The graph of a normal curve is given. habituate the graph to identify the value of µ and . 3) 70 79 A) µ = 9, = 97 88 97 106 115 B) µ = 97, = 27 124 C) µ = 27, = 97 D) µ = 97, =9 4) ! 4) The normal density curve is bilaterally symmetrical about A) An inflection take B) A point fit(p) one standard deviation from the mean C) The horizontal axis vertebra D) Its mean 1 5) The body politic under a standard normal density curve with mean of 0 and standard deviation of 1 is A) 1 B) µ + 2(3 ) C) infinite D) µ + 3 6) Approximately ____% of the area under the normal curve is amongst µ - 3 and µ + 3 . A) 68 B) 99.7 C)...If you want to get a full essay, aver it on our website: OrderCustomPaper.com

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