Trait #3 Problem Solving Find the conditional probability 11) The following tabl

Question

Trait #3 Problem Solving Find the conditional probability 11) The following table contains data from a study of two airlines which fly to Semall Town, USA 1) Number of flights Number of flights were on time which were late Upstate Airlines Yfone of the sc fisghts is randomly selected find the probablity that the flight selected arrived on time given that it was an Upstate Airlines flight. th A) 0.494 C) 0.896 B) 0.145 D) None of the above is correct. Identify the distribution of the sample mean. In particular, state whether the dist normal and give its mean and standard deviation. ribution of x is normal or approximately in a certain population are normally distributed with a mean of 157 Ib and a standard deviation of 23 Ib. Determine the sampling distribution of the mean for samples of size 8. 12) The weights of people i 12) A) Approximately normal, mean- 157 Ib, standard deviation- 2.88 Ib Normal, mean-157 Ib, standard deviation- 23 lb L mean 157 Ib, standard deviation-813 lb D) Approximately normal, mean- 157 lb, standard deviation - 8.13 lb Find the indicated probability or percentage for the normally distributed variable. 13) The variable Xis normally distributed. The mean is -600 and the standard deviation is 4,0 13) , Find P(X

Explanation / Answer

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11) n = 87

This is a case of conditional probability

P(arrived on time|upstate airlines) = 43/(43 + 5) = 0.896

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