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1. What is the probability of getting
(a) Four or more on a single toss of a fair die?
(b) Ace or king on a single pick from a well-shu?ed standard deck of cards?
(c) A green or white ball from the urn of Prob. 3.45? 2. What is the probability of getting
(a) A diamond or a queen on a single pick from a deck of cards?
(b) A diamond, a queen, or a king?
(c) An African-American or a woman president of the United States if the probability of an African-American president is 0.25, of a woman is 0.15, and of an African-American woman is 0.07?
Using an investment game, the study demonstrated that people who inhaled oxytocin were more likely to give their money to a trustee compared to people who inhaled an inactive placebo. For this experimental study, identify the independent variable a..
Overall, the amount of work-hours involved in the festival preperation is normally distributed around 100 hours withn a standard deviation of 12 hours.
a normal population has a mean of 60 and a standard deviation of 11. you select a random sample of 9. compute the
how does the anova technique avoid the problem of the inflated probability of making type i error that would arise
suppose that 64 of the students in elizabethtown college are female. if 30 etown students are selected at random what
Test the hypothesis that = 800 hours against the alternative 800 hours if a random sample of 30 bulbs has an average life of 788 hours. Use a 0.04 level of significance.
listed below are speeds mih measured from southbound traffic on i-280 near cupertino california based on data from
The mean score on a quantitative literacy test was 310 with a standard deviation of 114. Find the margin of error for this estimate at a confidence level of 95%.
Estimate the area under the Normal Distribution from the mean to a z-score of -2.07. Estimate the z-score that corresponds to an area of 0.5557 under the Normal Distribution.
assume that the mean score on a certain aptitude test across the nation is 100 and that the standard deviation is 20
Popcorn kernels take between 100 and 200 seconds to pop. What sample size (number of kernels) would be needed to estimate the true mean seconds to pop with and error of 5 seconds and 95% confidence level?
In the Cash Now lottery game there are 10 finalists who submitted entry tickets on time. From these 10 tickets three grand prize winners will be drawn.
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