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The Mars twin rovers, Spirit and Opportunity, which roamed the surface of Mars in the winter of 2004, found evidence that there was once water on Mars, raising the possibility that there was once life on the plant. Do you think that the United States should pursue a program to send humans to Mars? An opinion poll3 indicated that 49% of the 1093 adults surveyed think that we should pursue such a program.
a. Estimate the proportion of all Americans who think that the United States should pursue a program to send humans to Mars. Find a bound on the error of estimation.
b. The poll actually asked several questions. If we wanted to report an error of estimation that would be valid for all of the questions on the poll, what value should we use?
If a class of 30 students is chosen at random from the university population, find the mean and variance of the number of male students.
Problem 1: Estimate the area of the colored region (in orange) by Monte-Carlo simulation with 5000 replications given the distances shown in the figure below.
based on the certain data a null hypothesis is rejected at the 0.05 level of significance. would it also be rejected at
seventy percent of married couples paid for their honeymoon themselves. you randomly select 20 married couples and ask
Determine the probability that the number of people who show up will exceed the capacity of the plane?
Check the assumptions and conditions for inference on proportions. If it's appropriate, find a 90% confidence interval for the proportion of WBCs that receive SBA funding. If it's not ap- propriate, explain and/or recommend an alternative action.
the acme light bulb company claims that the lifetimes of its 100-watt light bulbs follow a normal distribution with a
use a z-test to test the claim about the population mean u at the given level of significance of using the given sample
the data show the bug chirps per minute at different temperatures. find the regression equation letting the first
What is the risk of smoking for Female students?
given the following profit table determine the minimax regret decision.states of
Chandra has 5 liters of a 24% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 8 liters of 27% solution?
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