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Let A and B denote genetic characteristics and suppose that the probability is 1/3 that an individual chosen will exhibit A, 2/5 that he or she will exhibit B. Assume that these characteristics occur independently. What is the probability that an individual chosen at random will exhibit both, neither, and exactly one?
The possible responses to the question "How would you rate our quality of service?" with 1=excellent, 2=good, 3=fair, 4=poor, describes what type of variable?
If level of significance ( α ) is 0.005 in two-tail test, how large is non rejection region under curve of the t distribution?
What control chart(s) would you use for this data and what are the final control limits?
h-p is said to be the leading seller of pc's in the U.S WITH 27% share of the pc market. if a researcher selects 130 recent pc purchases
The Spanish patients, two men and two women, were elderly and very ill. All four had undergone routine dialysis at the Hospital de la Princesa. Soon after, they began sweating and vomiting, some of them in excruciating pain. They died within a few..
She chose the sample of 25 women who were recently married for first time and found average age was 23.5 years. Standard deviation was 3 years. Must null hypothesis be rejected?
A government survey conducted to estimate the mean price of houses in a metropolitan area is designed to have a margin of error of $10,000.
Of the 1,4000 homemakers sampled, 420 were able to identify the brand by name. Estimate the value of the population proportion.
Identify a decision process within your work or business interests that could be resolved based on data.
Explain and give an example of: z-tests, t-tests, single sample t-tests, a dependent sample t-test, or an independent sample t-test.
Determine the probability of a positive economic trend given an increasing employment. Are employment and economic trend independent?
The 97.5% CI for mean changes in Group B minus mean change in Group A is (-4.7 to -0.9). Suppose we want to compute a two-sided p-value to compare the two groups.
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