our answer is correct. Round probabilities to three significant digits and zscor

Question

our answer is correct. Round probabilities to three significant digits and zscores to two decimal B ead om a table or calculated from a table should not be rounded ote: STAPLE if more than one page. Reduction of 1 points if not stapled. 1. When someone buys a ticket for an airline flight, there is a 0.0995 probability that the persorn will not show up for the flight. An agent for Air America wants to book 24 persons on arn airplane that seat only 22. If 24 persons are booked, find the probability that not enough seats will be available. If this probability is low enough (unlikely), overbooking is not a real concern. ANSWER: The probability value is Is overbooking a real concern according to the probability value? 2. Assume that the weight loss for the first month of a diet program varies between 6 pounds and 14 pounds, and is spread evenly over the range of possibilities, so that there is a uniform

Explanation / Answer

Solution:- Given that n = 24, p = 0.0995

=> (24 C 24)*(1 - 0.0995)^24*(0.0995)^0 + (24 C 23)*(1 - 0.0995)^23*(0.0995)^1

= (0.9005)^24 + 24*(0.9005)^23*(0.0995)

= 0.2952 to 4 decimal places.

= 29.5%

=> Formula : (n C r) = n! / ((n - r)! * r!).

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