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Suppose that we want to estimate what proportions of all drivers exceed the legal speed limit on a certain stretch of road between Los Angeles and Bakersfield. Use the formula of Exercise 12 to determine how large a sample we will need to be at least 99% confident that the resulting estimate, the sample proportion, is off by less than 0.04
Exercise 12
Use the formula of Theorem 7 to demonstrate that we can be at least (1 - α)100% confident that the error we make is less than e when we use a sample proportion
suppose that two 4-sided dice are rolled that is each die has faces with numbers 1 2 3 amp 4. what is the probability
Problem: Let (X, Y) be jointly distributed inside the ellipse given by {(x, y) : ax2 + by2 = 1}. Find the marginal densities of X and Y and the conditional densities of Y given X and X given Y. Are X and Y correlated? Are they independent?
Let"s redesign the Steak experiment so that in addition to 4 packaging methods, we have two storage temperatures -- Low, High. We have 16 steaks available. How do we randomly assign them?
Describe the situation and the variables and determine whether the variables are normally distributed or not. How could you change these to a normally distributed dataset?
The researcher in exercise decides to conduct the same study using a within - participates design to control for differences in cognitive ability.
To estimate the mean of the population from sample information, we need to calculate the standard deviation of the distribution of the sample means around the population mean.
Here is my data: these are the wages for women with a 2 yr degree, $11,702, $24,509, $34,746, $35,185 (median of $29,627) These are the wages for women with a 4 yr.
explain the basic idea for performing a hypothesis test based on independent samples to compare two population
the mass m of a randomly chosen tin of baked beans is such that mn420100. find the 20th percentile the value of the
Simulation is being used to study a system whose measure of performance X will be partially determined by the outcome of a certain external factor.
When taping a television commercial, the probability is 0.30 that a certain actor will get his lines straight on any one take. What is the probability that he will get his lines straight for the first time on the sixth take?
please respond with your thoughtsopinions and use examples to support your answer on the two separate posts in at least
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