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Suppose you have a coin that lands on "heads" with probability p, 0 < p < 1. You don't know the value of p however. So you decide to run an experiment to get an estimate of p using the maximum likelihood approach. Specifically, you flip the coin 10 times and record the number of "heads" you observed. Then you repeat this process until you end up with a total of 15 data points y1,y2,...,y15 with each data point representing the number of "heads" in a round of 10 flips of this coin.
Thirty-five fourth-grade students were asked the traditional question "what do you want to be when you grow up? The responses are summarized in the following table:
Use normal approximation to determine probability that x = 2. Illustrate all work.
the research team thought that the life-cycle cost was related to the number of seats produced annually. to test
A political strategist believes that less than 55% of voters in a certain state support a particular issue. He then commisions a poll of 500 voters and 54% of them support this issue. If = .05, is the political strategist's belief warranted?
Does the 99% confidence interval contain the actual population mean? If not, explain why not. What proportion of many similarly constructed confidence intervals should include the true population mean value?
Create a 99 percent confidence interval for mean daily intake of milk. You may suppose daily intake amounts are usually distributed.
some types of periodicals are often browsed on the shelves but seldom purchased. a popular home improvement magazine
in each case determine whether the study in question is a controlled experiment or an observational study justify your
if you assume returns follow a normal distribution, which investment has a better chance of giving you $40 million in returns.
Suppose you toss a die 100 times in a row. What is the probability that you see 4 spots between 10 and 20 times?
could mud-wrestling be the cause of a rash contracted by university of washington students in the spring of 1992? two
use the normal approximation to the binomial to determine what is the probability that: 100 or more murder are committed with a firearm? a. 0.452 b. 0.548 c. 0.367 d. 0.164.
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