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What's wrong? In each of the following scenarios, there is something wrong. Describe what is wrong and give a reason for your answer.
(a) If the sample space consists of two outcomes, then each outcome has probability 0.5.
(b) If we select a digit at random, then the probability of selecting a 2 is 0.2.
(c) If the probability of A is 0.2, the probability of B is 0.3, and the probability of A and B is 0.5, then A and B are independent.
How Many M&Ms of each color were eaten?
a track star runs two races on a certain day. the probability that he wins the first race is 0.7 the probability that
What is the stock's expected return? What is the stock's standard deviation? What is the stock's coefficient of variation?
a researcher tests whether levels of education and income levels are related. in this study he observes the following
The probability of a bulb lasting less than 2300 is .1573. The maximum probability of a bulb lasting less than 2300 hours should be only 5%. What must change specifically? How would that change be obtained practically?
a manufacturer claims that its wood treatment protects outdoor wood fences a mean of 2601 days with a standard
If the sports report begins at 11:10, what is the probability that he misses part of the report if he waits until grading is done before turning on the TV?
in a random sample of 40 felons convicted of aggarvated assault it was determined that the mean length of sentencing
If a card is drawn at random from a standard 52-card deck, what is the probability that the card drawn is one of the following?
Bay area community college (BACC) has collected data comparing the starting salaries of their graduating students with last names beginning with the letters A through M with those whose last names begin with N through Z.
Find a 95% confidence interval for the population mean concentration of uric acid in this patient's blood. What is the margin of error?
question a statistics instructor is interested in the correlation pearson r between how many hours a student sleeps
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