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1. The p-value for a hypothesis test has been reported as 0.04. If the test result is interpreted using the α = 0.01 level of significance as a criterion, will H0 be rejected? Explain.
2. A hypothesis test is carried out using α = 0.01 the level of significance, and H0 cannot be rejected. What is the most accurate statement we can make about the p-value for this test?
Cornwell uses these forecasts for its production planning. It manufactures several types of glass, and demand is aggregated across products and measured in pounds.
determine the values of c so that the following function represent joint probability distributions of the random
Knowing that athletes tend to have a lower heartrate after exercising. Which students is in the best in shape
Let X be N(O, 1/0). Assume that the unknown O is a value of a random variable 0 which has a gamma distribution with parameters IX = r/2 and fJ = 2/r, where r is a positive integer. Show that X has a marginal I-distribution with r degrees of freed..
suppose certain coins have weights that are normally distributed with a mean of 5.319 g and a standard deviation of
a box contains 24 yellow 32 green and 36 red jelly beans. if 15 jelly beans are selected at random what is the
Reconsider Prob. 10.4-3, which involves trying to find the probability that a project will be completed by the deadline. Assume now that the duration of each activity has a triangular distribution that is based on the three estimates in the manner..
in 2010 a gallup poll surveyed 1016 households in the u.s about their pets. of those surveyed 599 said they had at
The researchers measured participants' self-esteem and then had them judge their own physical attractiveness. Calculate rs and test for statistical significance.
According to the website of mars, 21% of m&m's produced are green. suppose 4 candies are selected at random and number of green recorded create a probability distribution for this situation.
Construct a 95% confidence interval for β1.- Construct a 95% confidence interval for E(y) when x = 125.- Construct a 95% prediction interval for y when x = 125.
In what areas of your business is it important to draw inference? Describe a time when drawing an inference may have hurt your business.
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