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The Sundance Film Festival is held every January in Park City, Utah. Individuals from the film community determine various awards for independent film makers, and audience awards are also presented. In 2012, approximately 17% of the feature films in the documentary category were directed by women.22 Suppose a sample of 35 documentary films are selected at random.
a. What is the probability that exactly five films were directed by women?
b. What is the probability that at least eight films were directed by women?
c. Suppose three films were directed by women. Is there any evidence to suggest that the proportion of films directed by women is different from 0.17? Justify your answer.
Burning calories with exercise. Many exercise bikes, elliptical trainers, and treadmills display basic information like distance, speed, calories burned per hour (or total calories), and duration of the workout.
In 36 randomly selected seawater samples, the mean sodium chloride concentration was 23 cubic centimeters per cubic meter and the standard deviation was 6.7 cubic centimeters per cubic meter (cc/cm).
Determine a random number generator and make simulated data for not more than 25 participants (test subjects) in study using ranges of values for variables you established above.
how do you think researchers utilize test to show significance in research? for example f the independent test yield
A company ships computer components in boxes that contain 20 iteams. Assume the probability of a defective component is .4. use the geometric distribution to find the probability that the first defect is found in the third or fourth component test..
the proportion of americans who are satisfied with the way things are going in there lives is 0.76. suppose that a
an experiment has four equally likely outcomes e1 e2 e3 and e4.a. what is the probability that e2 occurs?b. what is the
a. Plot a histogram for these data. b. What kind of theoretical distribution might you select to represent the distribution of the number of nesting sites? Why? c. Estimate the parameters of the theoretical distribution by calculating the sample mean..
Do men and women select different breakfasts? The breakfasts ordered by randomly selected men and women at a popular breakfast place is shown inTable 11.55. Conduct a test for homogeneity at a 5% level of significance.
Baseball games are uniformly distributed between 160 minutes and 240 minutes. What is the probability that a 9-inning game will last between 180 and 220 minutes?
in the game of blackjack a player receives two cards. the value of each card is equal to its numerical value or 10 if
It has been found that 10% of the people in a suburban town are allergic to ragweed.If 5 people of the town are selected at random, what is the probability that
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