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Astronomers estimate that as many as 100 billion stars in the Milky Way galaxy may be encircled by planets. Let p denote the probability that any such solar system contains intelligent life.
How small can p be and still give a 50-50 chance that there is intelligent life in at least one other solar system in our galaxy? (Hint: Use the probability distribution designed to handle problems where the probability is small and n is large.)
A statistically-minded fraternity man keeps records on how many women he must ask before one of them says she will be his date for a Saturday football game. His school plays five home games and his five acceptances come on the third, sixth, fourth, second, and ninth women he asks. Assume that the probability, p, that any woman he asks will accept his invitation is constant from woman to woman. Estimate p.
Determine the greatest acceleration with which the 1-Mg forklift can raise the 750kg crate withour causing the wheels at B to leave the ground. the centers of mass for the forklift and the crate are located ar G1 and G2 respectively.
The time needed for college students to complete a certain paper-and-pencil maze follows a Normal distribution, with a mean of 70 seconds and a standard deviation of 15 seconds.
Ford Taurus travels 21 mi. while consuming exactly 1 gallon of gas. You developed a modification to the engine you believe increases the distance. If you want to justify your claim of increased mileage by using a hypothesis test
For the data, F=0.46 and the P-value equals 0.63. What can you conclude? d. What were the assumptions on which ANOVA was based? Which assumption is the most important?
The sampling distribution of mean score is approximately Normal. It has mean. What is its standard deviation?
MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?
Following data represent concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Sample standard deviation is?
The results, in tons of force required for breakage, are as follows: Determine the mean, median, range, and midrange. Calculate the mean absolute deviation (MAD).
The pollsters can be 95% confident that the true proportion of adults who approve of human cloning is within what percentage of the estimated 11.7%?
the life of a recirculating pump follows a weibull distribution with parameters beta 2 and delta 700 hours.a
To test is there any significant difference among two proportions. The Damon family owns a large grape vineyard in western New York along Lake Erie.
The statistical technique used in the regression analysis. The sum of squares is a mathematical approach to determining the dispersion of the data points.
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