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1. what trig function has an amplitue of 1 and negative values for angles between π/2 and π?
2. what trig function never crosses the x-axis and has a value of 2 at π/6?
are these correct?
3. what trig function has a period of π and is undefined for -π/2, π/2, 3π/2...
4. what trig function has a period of 2π, is continuous, and is increasing for 0 < x < π/2?
Last year the records of Dairy Land Inc., a convenience store chain-What is the p-value? Follow the five-step hypothesis testing procedure.
Standard deviation of 100. The top 3% of students receieve $500. What is the minimum score you would need to receive this money? Calculate the z-score.
Do these data provide suffiient evidence to establish that the site is acceptable? Use = 0:05. What are the consequences of Type I and Type II errors? Which error is more expensive to make?
Write-up of 1 to 2 page or an essay for the following questions. What is a nonparametric procedure? Describe specifically when you would utilize a nonparametric test.
question the monthly sales of mufflers follow the normal distribution with a mean of 1200 and a standard deviation of
The famous YS Chang restaurant is open 24 hours a day. Waiters and busboys report for duty at 3am, 7am, 11am, 3pm, 7pm, or 11pm, and each works an 8 hour shift. The following table shows the minimum number of workers needed during the six periods ..
4 cards are drawn from a deck of cards without replacement what is the probability that at least 1 of the cards is a
Suppose that the census indicates the average American earns $36,345.45 per year. You are interested in the whether people who majored in political science earn an amount that is different than the average American.
Test either there is any difference among the given variable also what does the Levene's Test shows. What variable is presented in this table.
find the weighted mean for three exams if the first one was worth 20 and the student received a 70 the second was worth
the professor plots a histogram of these several proportions. Should a Normal model be used to represent the sampling distribution of the proportion of tails?
State the Null Hypothesis and the Alternative Hypothesis. Determine the test statistic. Determine the P-value
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