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1. Jen will call Cathy on Saturday with a 60% probability. She will call Cathy on Sunday with an 80% probability. The probability that she will call on neither of the two days is 10%. What is the probability that she will call on Sunday if she calls on Saturday?
2. At a parking lot, there are 12 spaces arranged in a row. A man observed that there were eight cars parked and that the four empty spaces were adjacent to each other. Given that there are four empty spaces, is this arrangement surprising?
3. A fair die is rolled 12 times. Given that there are exactly two ones, what is the probability that there are exactly two sixes?
4. Jeff, Jen, and Cathy shoot at a bull's eye. They can hit the bull's eye 70%, 80%, and 75% of the time, respectively. One of the three is known to have hit the bull's eye. Find the probability that it was Jen.
Show the sampling distribution of p if a random sample of 150 insured individuals is used to estimate the proportion having received at least one ticket.
suppose 1657 of 2006 registered voters sampled said they planned to vote for the republican candidate for president.
a stastics instructor randomly selected four bags of oranges each bag labeled 10 pounds and weighed the bags. they
a is there a correlation between the grades a student attained in high school and the grades he or she attained in
in a murder trial in los angeles a shoe expert stated that the range of heights of men with a size 12 shoe is 70 inches
eighteen percent 0.18 of the students in a management class are graduate students. a random sample of 6 students is
Calculate the p- value and use it to test H0 versus H a at each of a .10, .05, .01, and .001. d How much evidence is there that the mean composite satisfaction rating exceeds 42?
1. John made an experiment by tossing three fair coins. (Fair coin has the same probability for a tail and head 1/2). (a) List the sample space for this experiment. (All possible outcomes) (b) What is a probability of three tails?
a researcher has developed a new drug designed to reduce blood pressure. in an experiment 21 subjects were assigned
hamilton county judges try thousands of cases per year. in an overwhelming majority of the cases disposed the verdict
Calculate the horizontal component of the initial velocity of the shell.
Common practices and lessons learned can help us explore for known or common threats, but how does an organization with a unique or highly unusual setup discover its vulnerabilities?
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