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Consider an experiment where we study the ability of snails tohold firmly onto a smooth substrate. We would like to know ifthe species of snail is independent of the ability. The snailis attached to a smooth rock and we expose it to water and record if it has the ability toresist the current. Suppose that for such an experiment thatthe probability that the snail belongs to a particular speciesA and it is resistant is 0.40. The probability that a snailresisted is 0.45 and suppose that species A represents 55% of thesnails under study. (a) What proportion of snails from species A have the abilityto resist the current? (b) Given that the snail has resisted the current, compute theprobability that it is a snail from species A. (c) Consider the twoevents "species A" and "resistant". i. Are the events mutually exclusive? ii. Are the events independent?
the critical value z used for constructing a 96 confidence interval for a population mean micro isa. 1.645.b. 2.054.c.
Let A be the event that a randomly chosen employee has a college degree and B the event that the chosen employee's income is more than $50,000.
maximizing the profit using lpp.a manufacturer wants to maximize the profit of two products.nbsp product i yields a
If you must estimate the population mean within 2 days, how many sales representatives in the pharmaceutical industry should you sample? Use the 90% confidence interval.
This set of height measurements are recorded in centimeters. Answer the following questions using the Histogram Applet.
Develop a regression model to identify the fixed overhead costs to the consulting group and what is the constant component of the consultant group's overhead?
In a sample of 14 of the bowling balls the sample standard deviation was found to be 0.52 pounds. Construct a 95% confidence interval for the variance of the bowling ball weight.
What are the key conceptual differences between these 3 methods? In other words, under what conditions do we choose each method for our analysis, and why?
Create a 2 X 2 from the information provided and calculate the appropriate statistic to determine the odds of contracting uterine cancer when using estrogen
If desired confidence level is 95 percent, suitable critical value is?
A sample of 45 overweight men participated in an exercise program. At the conclusion of the program 32 had lost weight. At the .05 significance level, can we conclude the program is effective?
use the poisson model to approximate the probability. round your answer to four decimal places. 32the probability that
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