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In 1998, a San Diego reproductive clinic reported 42 live births to 157 women under the age of 38, but only 7 live births for 89 clients aged 38 and older. Is this strong evidence of a difference in the effectiveness of the clinic's methods for older women?
a) Test an appropriate hypothesis and state your conclusion.
b) If you concluded there was a difference, estimate that difference with a confidence interval and interpret your interval in context.
critial thinking questioning survey results.in a gallop poll of 1038 randomly selected aduls 18 or older each subject
the freshness and overall quality of milk depend upon the type of packaging used. the manager of a dairy company is
please respond with your thoughtsopinions and use examples to support your answer on the two separate posts in at least
Basically, new sheets CRSP, Analysis, Minimization, Default of Probability are to be created using this data for the various quarters of 2000 and 2001. Solver is to be used to calculate for the volatility.
The Genetics & IVF Institute conducted a clinical trial of the XSORT method designed to increase the probability of conceiving a boy. As of this writing, 291 babies were born to parents using XSORT method, and 239 of them were boys. Use a 0.01..
Can you please say which formula you're using if any. It's hard for me to understand problems with percents. We have just covered Bayes rule, conditional probability, multiplicative rule, additive rule, complement and independence.
The mean SAT verbal score is 412, with a standard deviation of 90. Use the Empirical Rule to determine what percent of the scores lie between 412 and 592. (Assume the data set has a bell-shaped distribution.)
Briefly explain how sample size affect outcome of hypothesis test. How does sample size affect measures of effect size?
Union Membership Nationwide 13.7% of employed wage and salary workers are union members (down from 20.1% in 1983). A random sample of 300 local wage and salary workers showed that 50 belonged to a union.
Four of calculators are selected to be sent to local high school. How many selections can be made using original shipment?
A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet Cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours.
Determine the probability that tire wears out before 70,000 miles?
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