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A certain basketball player has a success record of 1 in 3 for making attempted field goals. Suppose she attempts 7 field goals in a game.
a. What conditions must be true in order to use the binomial distribution to produce reliable probability statements?
b. Assuming the necessary conditions are met, compute the probability that the player will make exactly 4 field goals.
c. What is the expected number of field goals she will make?
Can the researcher conclude that humidity has a significant effect on eating behavior? Use a two-tail test with α = .05.
Explain why a random sample of college students has a higher percentage of females, whereas a random sample of high school students is almost
Find the correlation of log(GDPPC) with HDI for all 172 countries. Find the correlation for only the 141 Medium- and High-development countries. Which is higher? Which relationship is straighter?
Assume the Alpha group had a standard deviation of $20 million and the Beta group had a standard deviation of $8 million. Construct a 95% confidence interval for the difference in mean portfolio size for firms in the two groups of credit ratings.
Find the z-score for each value of x = 54. (Give your answer correct to two decimal places.)
consider an elevator in a building with n floors above the ground floor. if the number of people entering an elevator
How certain they were about their choice of major. Research question: At α = .01, is the degree of certainty independent of credits earned?
suppose that contamination particle size in micrometers can be modeled as fx 2x-3 for 1 gt x and fx 0for x lt 1.a
Managers compared to those who do not; Or, whether ones political affiliation is related to gender. These are just a few examples; be creative and think about what piques your interest. You might also address a problem that you may want to look at..
The advertising firm of McMann and Tate has put out bids for two separate contracts. Based on past experience, they believe that they have a 0.7
Researchers at the University of Pennsylvania suggest that a nasal spray derived from pheromones
consider the following measures based on independently drawn samples from normally distributed populationssample 1
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