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1. BMI in children is approximately normally distributed with a mean of 24.5 and a standard deviation of 6.2
a) A BMI between 25 and 30 is considered overweight. What proportion of children are overweight?b) A BMI of 30 or more is considered obese. What proportion of children are obese?c) In a random sample of 10 children, what is the probability that their mean BMI exceeds 25?
With a confidence of 95%, what is the margin of error for the proportion of all carp that would incorporate the gene into their DNA?
In his report to the mall management, can he say that shoplifting is twice as likely to be the cause of the loss as compared with either employee theft or poor inventory control and that employee theft and poor inventory control are equally likely..
Assume the risk-free interest is 5%. If WT borrows $100 million today at this rate and uses the proceeds to pay an immediate cash dividend, what will be the market value of its equity just after the dividend is paid, according to MM?
A rare disease has just broken out. Doctor Johnson is trying to help, but while treating patients he might expose himself to the disease.
Differentiate between a point estimate and an interval estimate for a population parameter. What is necessary for an interval estimate to be a confidence interval?
Provide the factorial notation for the following experimental design. Two independent variables:
In a survey of the 3000 boy scouts in the National Capital Area Council (NCAC), it is found that they have a mean weight of 135 lbs with a standard deviation of 15 lbs. How many of the boy scouts have weights between 120 lbs and 150 lbs.?
Find out coefficient of correlation between variables. Interpret the value.
Pretend you are in charge of a packaging equipment company that is filling boxes of cereal. From past experience we know the population's mean weight of the filled boxes is 300 grams (and we know the distribution of grams is approximately normal).
If your ANOVA shows no interaction between two factors: A) You must re-run the ANOVA in minitab without replicates. B) Start over taking more samples, the current results aren't valid without showing an interaction.
Use x for the number of bats and y for the number of balls made per week. The number of work-hours avaiable for construction and finishing is fixed.
The following data represent the number of weed-eaters sold per month at a local garden shop and their prices
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