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In classifying hypertension, three categories are used: individuals whose systolic blood pressures are less than 140, those with blood pressures between 140 and 160. and those with blood pressures over 160. For males between the age.s of 18 and 24, systolic blood pressures are normally distributed with a mean equal to 124 and a standard deviation equal to 13.7. Suppose a random sample of 10 individuals from Lhat particular demographic group are examined. What is the probability that six of their blood pressures will be in the first group, three in the second, and one in the third?
a. Use the information to construct a joint frequency distribution. b. Use the information to construct a joint relative frequency distribution.
A confidence interval estimate for the population mean is given to be (35.55, 44.12). If the standard deviation is 15.797 and the sample size is 37, answer each of the following: (A) Determine the maximum error of the estimate, E.
frequency table speednumber of balls 0 - 29430 - 591660 - 896090 - 11920a professional tennis player hit 100 balls and
a certain car model has a mean gas mileage of 29 miles per gallon mpg with a standard deviation of 5 mpg. a pizza
an insurance company has 10000 automobile policyholders. the expected yearly claim per policy holder is 240 with a
The monthly sales volume (in thousands of dollars) for a manufacturer of snow skis is seasonal (there tend to be more skis sold during fall and winter months than during warmer months). The following table shows the monthly seasonal indexes for th..
In a group lineup of 7 models in a commercial, 3 are male and 4 are female. In how many ways can you arrange 3 models in a lineup if the first and the third must be a male but the second one must be a female?
estimating the simple aggregate price index.betts electronics purchases three replacement parts for robotic machines
Why is it necessary to study the order of operations and the laws of operations before you start solving equations? Of the three laws, commutative, associative, and distributive, which one is most frequently used in algebra? Why?
At the .05 level of significance, can we conclude that those joining Weight Reducers on average will lose less than 10 pounds? Determine the p-value.
For each variable, identify the kind of graph that should be used to display the distribution of scores (histogram, polygon, or bar graph).
the engineering department at sims software inc. recently developed two chemical solutions designed to increase the
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