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Class work of Base Probability

Class work of Base Probability.

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Class work of Base Probability

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  1. Class work of Base Probability • The chances of X, Y, Z becoming manager will be of a certain company are 4:2:3. The probabilities that bonus scheme will be introduced if X, Y, Z becomes manager are 0.3, 0.5 and 0.8 respectively. If the bonus scheme has been introduced, what is the probability that X is appointed as the manager?

  2. Class work 2 Base probability • A physical therapist at a certain university knows that the football team will play 30% of its games on artificial turf this season. He also knows that a football player’s chance of incurring a knee injury are 60% higher he is playing on artificial turf instead of grass. If players probability of knee injury on grass is 0.40. What is probability that : • A randomly selected football player incurs a knee injury.

  3. Class work 3 Base probabiltiy • An advertising executive is studying television viewing habits of married men and women during prime time hours.On the basis of past viewing records, the executive has determined that during prime time, husband are watching television 60% of the time. When the husband is watching television, 40% of time wife is also watching . When the husband is not watching television, 30% of time wife is watching television. Find the probability that

  4. Continue….. • If the wife is watching television, the husband is also watching television. • The wife is watching television in prime time

  5. Class work • A physical therapist at a certain university knows that the football team will play 40 percent of its games on artificial turf this season. He also knows that a football player's chances of incurring a knee injury are 50 % higher if he is playing on artificial turf instead of grass. If a player's probability of knee injury on artificial turf is 0.42, what is the probability that

  6. Continue • A randomly selected football player incurs a knee injury? (0.336) • A randomly selected football player with a knee injury incurred the injury playing on grass?(0.5)

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