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Q1) If X = {2, 6, 10, 14} and P(2) =.2, P(6) =.3, P(10) =.4, and P(14) =.1, can distribution of random variable X be considered probability distribution?
i) No
ii) Yes
Q2) A class has 13 women and 18 men. If student if selected randomly, determine the probability student is a woman?
Q3) A study of parallel interchange ramps in Orlando discloses that many drivers don't use entire length of parallel lanes for acceleration, but seek as soon as possible suitable gap in major stream of traffic for merging. At parallel lane of Lake Mary Boulevard and Interstate 4, probability which Assume we wish to monitor merging patterns of random sample of 330 drivers at parallel lane of Lake Mary Boulevard and Interstate 4. What is the approximate probability that 200 of those drivers or less will use less than half parallel lane length before merging?
What can one conclude about the librarian's hypothesis at a level of significance of .05?
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Estimate with 95% confidence the mean reduction in time it takes for someone who has taken the sleeping pill to fall asleep.
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For following scores determine values of each expression: X: 4, 2, 1, & 5. åX, åX 2 , (åX) 2 , å(X-1).
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Determine the probability that a randomly selected teacher earns more than $525 per week?
Find a 99% confidence interval estimate of the proportion of people who say that they voted.
Calculate the probability that the median of the sample or average medians is:
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