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1. A random sample of 100 Ontario high school students revealed that 56% of them check their Instagram account daily. Calculate the probability that no more than 60 Ontario high school students check Instagram daily. Include 5 decimal.
2. A company that makes cell phone batteries randomly selected 25 batteries from the production line. The probability of a defective battery was found to be 12%.
Calculate the probability exactly 5 batteries are defective.
Include 5 decimal places in your answer.
Lowering the drinking age. A July 2007 Gallup Poll asked a random sample of 464 adults whether they would favor or oppose a federal law that would lower.
Assuming that these numbers are exact and that the sample was randomly chosen from the entire population of interest, give a 90% confidence interval for the proportion of filled MBA positions in Europe.
1. What is the difference between a programmable logic controller and an electromechanical relay control?
find the mean median and mode for the set of scores in the following frequency distribution table. round to 1 decimal
assume that a sample is drawn and za2 1.65 and s 35. answer the following questionsa if the maximum error of estimate
Consider the following joint probability distribution for uncertain quantities X and Y:
A random sample of 5589 physicians in Colorado showed that 3359 provided at least some charity care (i.e., treated poor people at no cost).
Calculate the firm's weighted average cost of capital where the firm's borrowing rate on debt is 7.9 percent, it faces a 34 percent tax rate
Find the sample mean for each group. Find the sample standard deviation for each group. Make a dot plot of the data sets A and B on the same line.
Suppose X is a discrete random variable that takes on a finite number of values. Prove the variance computation formula.
What is the correction for continuity and why is it employed when the normal distribution is used in approximating the binomial distribution?
She informs you that your z score was 1.10. What was your percentile score on this test? (enter a number only, rounded to the nearest 2 decimal places
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