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You are interested in determining whether a particular child can discriminate the color green from blue. Therefore, you show the child fi ve wooden blocks. The blocks are identical except that two are green and three are blue. You randomly arrange the blocks in a row and ask him to pick out a green block. After a block is picked, you replace it and randomize the order of the blocks once more. Then you again ask him to pick out a green block. This procedure is repeated until the child has made 14 selections. If he really can't discriminate green from blue, what is the probability he will pick a green block at least 11 times?
Can we conclude that there is a positive association between the size of the home and the selling price? Use the .05 significance level.
Compare exercise at a medium rate with exercise at a low rate. Do the data from the previous exercise give good reason to think that stepping at the medium rate increases heart rates more than stepping at the low rate?
you are picking a bouquet of 20 flowers for your mother at random from a garden with 25 coneflowers 35 daisies and 42
Perform a hypothesis test with significance level 5%. Show all work, and clearly state your conclusion.
the correlation coefficient r between two variables x and y is -0.9. how much of the variation in the variable y is
suppose a consumer group asked 18 consumers to keep a yearly log of their shopping practicesand that the following data
reduce each of the following expressions into simplest form by application of the rules of summationsumi15 xi2c sumj13
A company has 140 employees, of which 30 are supervisors. Eighty of the employees are married, and 20% of the married employees are supervisors. If a company employee is randomly selected, what is the probability that the employee is married and a..
Fast Service Store has maintained daily sales records on the various size 'Cool Drink' sales. These are shown in the following table:
Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places.
The researchers made 10 measurements of ATP, which had x = 0.84. What was the sample standard deviations for these measurements?
It is estimated that 0.5 percent of the 1200 callers per day to the Customer Service Department of Dell, Inc. will receive a message that the line is busy and be automatically transferred to a winning mode until a "representative is available to t..
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