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If a asteroids are entering the earth's atmosphere and disintegrate with a rate that reduces their size by a factor on ½ by the time they strike the earth, assuming that they all strike the earth at a perpendicular angle to the surface , what is the likelihood of a given point being struck by an asteroid if the path density of asteroids is 100 asteroids per square km per/ day passing through a plane perpendicular to the earth and a size distribution for the radii, p(r)=[exp(-qr)]/r where q =0.1.
Use normal disrtibution of fish lengths for which the mean is 8 inches and the standard deviation is 5 inches. Assume the variable x is normally distributed.
suppose certain coins have weights that are normally distributed with a mean od 5.492 g and a standard deviation of
find the following percentiles for the standard normal distribution. interpolate where appropriate. round your answers
Ccompute a t-test comparing males' and females' heights. You must determine which type of t-test to compute. Write a short interpretation of the results.
find the standard error of estimate se for the data below given the predicted value of y -0.206x 2.097.xnbspnbsp -5
what is the first big change that american drivers made due to higher gas prices? according to a survey 30 said that it
In order for Samuel's average calorie intake to equal a daily average of 2200 calories, how many calories of food must he consume on Thursday?
Would the null hypothesis that the 2007 median household income was $50,000 be rejected at the 10% significance level in favor of the two-sided alternative? (Choose the correct answer)
Decide whether the experiment is a binomial, Poisson, or neither based on the information given. You observe the gender of the next 950 babies born at a local hospital.
A marketing survey involves product recognition in New York and California. Of 600 New Yorkers surveyed, 195 knew the product while 150 out of 614 Californians knew the product.
As a public health personnel, you conducted a survey and collected economic and health data on households in a township that is known to have a high prevalence of heart disease.
June Walker is the Director of the Annual Fund for Marine Life University. She asks her analyst to study the giving patterns of the alumni of the School of Marine Sciences.
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