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Start StatCrunch and make the following sequence selection: Applets -> Distribution demos. Next select "Binomial" and click "Compute!". In the resulting popup window experiment by using the sliders to assign approximately 0.5 to p and successively assign the values 20, 30 and 40 to n. Discuss what you see in the subsequently drawn Binomial Distribution defined by your specified values for n and p. What value on the x axis (horizontal axis) does the top of the hump of the curve correspond to. Next set p and n to their extreme values? Discuss what you observed using the fact that the x-axis represents the number of successes and the height of the vertical lines represent the probability of getting x number of successes.
Antibiotic or Placebo A large number of surgery patients get infections after surgery, which can sometimes be quite serious.
A box contains 30 identical-looking items of which 3 are defective. If one item is selected at random, what is the probability that the item is defective?
Suppose you draw two cards from a standard deck of 52 cards without replacing the first one before drawing the second. Find the probability that the first card is a king and that the second card is an ace?
police records show that there has been an average of 2 accidents per week on a new freeway. calculate the
What percent of horse pregnancies are longer than 339 days?
To conduct a follow-up study that would provide 95% confidence that the point estimate is correct to within plus-or-minus 0.04 of the population proportion, how large a sample size is required?
Which kind of t-test should be used? Calculate the two-tailed t and p values using this t-test.
Solve inequality and graph the solution. Please explain how to how to solve this linear graph
question the police chief in montgomery wants to know if the citys population feels that the police are doing a good
What is the probability that a randomly selected student is not a binge drinker?- What is the probability that a randomly selected male student is not a binge drinker?
Write the null and alternative hypotheses
What is the base rate for lung cancer in men over a lifetime?- What is the approximate lifetime risk of getting lung cancer for men who smoke?
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