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Given the following information: alternative hypothesis: p < 0.70, n = 300, x = 205, alpha = 0.02. State your decision and conclusion using either the classical or p-value approach. Explain how you arrived at your answer.
a pipe in a manufacturing plant is transporting superheated vapor at a mass flow rate of 0.3 kgs. the pipe is 10 m long
in a recent study of vietnam veterans researchers found that in a sample of 2101 veterans 777 had been divorced at
a car traveling 90 kmh strikes a tree. the front end of the car compresses and the driver comes to rest after traveling
a researcher performs a hypothesis test at the 0.05 level of significance. the null hypothesis is p 0.85and the
you toss a die and your payoff is fx 0 if x 0 x 2 otherwise. what is the optimal strategy and what is your expected
propane is contained in a closed rigid container with a volume of 10 m3. initially the pressure and temperature of the
consider a multiple regression model y beta0 beta1 x1 beta2 x2 beta3 x3 to fit these data which consist of
a voltmeter is used to read the potential difference accross the poles of a battery.the battery is rated at 20 v. the
what is the specific volume of water at 50 mpa and 80 degrees celcius. what would it be if the incompressible liquid
the electrical resistance on a long piece of wire is r. the wire is streatched to be twice as long and because the
suppose that you wanted to determine if your eastern region of wholesalers differed from your western region of
Roll a die and record the count of spots on the up face: P(1) = 0, P(2) = 1/6, P(3) = 1/3, P(4) = 1/3, P(5) = 1/6, P(6) = 0.
An election poll reported that a candidate has an approval rating of 54% with a margin of error of 4%. Construct a confidence interval for proportion of adults who approve of the candidate.
Incomes in the thousands of dollars were sampled in one region, they are as follows (1.5, 3.0, 4.2, 5.6, 2.6, 4.1, 0.9, 5.7, 5.4, 2.6) Assume the population is normal.
1. let yr be the rth smallest among a random sample of size n from uniform 01 population. find the probability density
The life expectancy of Timely brand watches is normally distributed with a mean of four years and a standard deviation of eight months. What is the minimum and the maximum life expectancy of the middle 95% of the watches?
In 1,000 samples, assuming that H 0 is true, how many times would you expect to commit Type I error if:
a standardized test has a mean of 104 and a standard deviation of 16. we want to be 98 certain that we are withing 4
A 2005 study found that 202 women held board seats out of a total of 1,195 seats in the Fortune 100 companies. A 2003 study found that 779 women held board seats out of a total of 5,727 seats in the Fortune 500 companies.
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JBGHI demands a sample large enough to ensure an error of ± 2% with 90% confidence. What is the necessary sample size?
Find the 90% confidence interval for the mean number of peaches per tree. How many trees does she need to sample to be accurate within 10 peaches per tree?
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