Determining probability that student is woman in class

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Reference no: EM1321790

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?

Reference no: EM1321790

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