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Are your finances, buying habits, medical records, and phone calls really private? A real concern for many adults is that computers and the Internet are reducing privacy. A survey conducted by Peter D. Hart Research Associates for the Shell Poll was reported in USA Today. According to the survey, 41% of adults are concerned that employers are monitoring phone calls. Use the binomial distribution formula to calculate the probability of the following.
(a) Out of five adults, none is concerned that employers are monitoring phone calls. (Round your answer to three decimal places.)
(b) Out of five adults, all are concerned that employers are monitoring phone calls. (Round your answer to three decimal places.)
(c) Out of five adults, exactly three are concerned that employers are monitoring phone calls. (Round your answer to three decimal places.)
Clinic evaluates that true population standard deviation is around $1,300. If confidence level is 95%, determine the required sample size in order to meet desired accuracy.
Calculate the probability that a randomly chosen sample of 17 games would have a sample mean less than the one you calculated in this exam. Use the standard normal distribution.
Assuming that the first digit cannot be a zero, compute the number of possible outcomes when the digits can be repeated.
Determine the highest number of miles (to nearest whole number) that motorist could drive in month and still qualify for discount?
question the ziteck corporation buys parts from international suppliers. one part is currently being purchased from a
If 15 subjects take a pre-test and a post-test with a mean change score of 1.5, and if the standard deviation of the comparison distribution is calculated to be .5, what is the t score?
She figures that each box costs $ 2.59 plus $ 0.21 shipping and handling, which totals $ 2.80, then she adds $ 0.70 profit to each box and sells it for $ 3.50. Do you think this is a good pricing strategy? How would it compare to marking up by a p..
you select 3 bottles at random from a large production batch of bottled water. you guess that 80 of the bottles in the
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. Round your answer to at least one decimal place.
For any hypothesis test, if the value of a parameter being tested falls outside the confidence interval for the same level of a, the correct decision is to reject the null hypothesis. Is this True or False?
question a randomized controlled trial is run to evaluate the effectiveness of a new drug for asthma in children. a
Probability of 0.3, and is a draw with probability of 0.3, independently of the previous games. What is the probability that Fischer wins the match?
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