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Question: A thumb tack was tossed 100 times, and landed point up on 40 tosses and point down on 60 tosses. Given this information, what is the probability that the first three tosses landed point down? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
Give a 99% confidence interval for the difference between the mean plate counts of the two observers. Do you believe that there is a difference? Why?
There is some concern that if a woman has an epidural to reduce pain during childbirth, the drug can get into the baby s bloodstream, making the baby sleepier and less willing to breastfeed.- What kind of test would be appropriate?
Determine the number of corporations that recovered their investment in analytics in six months or less.
The mean age of school bus drivers in Denver is claimed to be 56.9 years. A hypothesis test is performed at a level of significance of 0.05 with a P-value of 0.03. Choose the best interpretation of the hypothesis test.
In a random sample of 400 employees, screening detected at least one of these drugs in the systems of 8% of those tested. At the 0.025 level, is the human resources director's claim credible? Determine and interpret the p-value for the test.
you calcuate the chi-square test statistic in a test of independence and determined that xsup2 -4.23 with 10 degrees
your company produces two varieties of self-sealing stem bolts standard and deluxe. in one year you can produce 365
the following question was put on a questionnairewhat was your last salary?a 0 -10000b 10001 - 20000c 20001 - 30000d
let x and s2 be the mean and variance of a random sample size n16 from the normal distribution nu gamma2a find d using
What is the probability that ONE car chosen at random will have -less than 35.5 tons of coal - what is the probability that 20 cars chosen at random will have a mean load weight x¯ less than 35.5 tons of coal?
Suppose your friend in given problem arranged for three more cars, labeled the 9 cars A-I, changed a to .05, and conducted the "quiet" test. The results are shown in the accompanying table. Perform a Mann-Whitney U test and write a conclusion.
The iid random sequence X0, X1,... of standard normal random variables is the input to a digital filter. For a constant a satisfying |a| 0, Y1,... such that Y0 = 0 and for n > 1,
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