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Let x represent the hemoglobin count (HC) in grams per 100 milliliters of whole blood. The distribution for HC is approximately normal with μ = 14 for healthy adult women. Suppose that a female patient has taken 10 laboratory blood samples in the last year. The HC data sent to her doctor is listed below. We would like to know if the data indicates this patient has significantly high HC compared to the population.
[18,15,21,14,15,19,18,18,12,11]
State the null and alternate hypothesis, give the p-value and state your conclusion based on a 5% significance level.
suppose that a1 a2 are events such that pa1bgt0. show that a1 and a2 are conditionally independent given b i.e.
If these data are a random sample of office employees around the country, do you think that more than half of office employees participate in such pools during March Madness? Explain your answer.
Critically discuss the purpose of developing a frequency distribution? What is the relationship between the relative frequency and the cumulative frequency? Could a frequency distribution contain qualitative data? Why?
Set up a 99% confidence interval estimate of the true population mean amount of glue contained in a 2-litre can. On the basis of your results, do you think that the quality control analyst has a right to complain to the manufacturer?
a random sample of 30 students results in a sample mean age of 20 years with a sample standard deviation of 1.5 years.
Is there a relationship between log (Wage) and Age? Compare your answer with graph (a) and identify the differences.
body mass index is measured as the ratio of weight in kg to height in meters squared. assume that the mean bmi in
Describe the measures of central tendency. Under what condition(s) should each one be used? Last year, 12 employees from a computer company retired. Their ages at retirement are listed below. First, create a stem plot for the data. Next, find the m..
What is the value of s, the estimate of ? (f) What percent of the variation in GPA is explained by HSM and SATM in your model? How well do verbal variables predict the performance of computer science students?
One of the statistics collected is the porportion of time employees forget to include a napkin in the bag. What is the probability that there is no napkin included for a given order?
question you note that your officer is happy on 60 of your calls so you assign a probability of his being happy on your
random variable Y that has an exponential distribution with mean equal to 4 tons. The cost of the flour is proportional to U=3Y+1. Find the probability density function for U.
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