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6 Write the probability of each italicized event in symbols (e.g., P(X 2 5)). (a) At least 8 correct answers on a 20-question quiz (X = number of correct answers). 5 points (Click to sele( V (b) Fewer than 14 "phishing" e-mails out of 30 e-mails (X = number of phishing e-mails). eBook (Click to sele( V (c) At most 2 no-shows at a party where 15 guests were invited (X = number of no-shows). Ask (Click to sele( V Print ReferencesReferences Find the mean and standard deviation for each binomial random variable: a. n = 55, 7r 2 ,90 (Round your mean value to 2 decimal places and siandard deviation to 4 decimal places.) Mean Standard deviation b. n = 94, 7r 2 ,70 (Round your mean value to 2 decimal places and standard deviation 1 4 decimal places.) Mean Standard deviation c. n : 46, 71' : .85 (Round your mean value 10 2 decimal places and siandard deviation to 4 decimal places.) Mean Standard deviation At a Noodles 8: Company restaurant, the probability that a customer will order a nonalcoholic beverage is ,53 E. Find the probabilitythat in a sample of 12 customers, none of the 12 will order a nonalcoholic beverage, (Round your answer to 4 5 decimal places.) points Probability !l b. Find the probability that in a sample of 12 customers, at least 9 will order a nonalcoholic beverage, (Round your answer to 4 _ decimal places.) eBook , Probability A5\" 5. Find the probability that in a sample of12 customers, fewer than 10 will order a nonalcoholic beverage, (Round your answer to 4 decimal places.) I?\" Probability FF :1. Find the probability that in a sample of 12 customers, all 12 will order a nonalcoholic beverage. (Round your answer to 4 decimal I places.) References Probability 9 A lottery ticket has a grand prize of $41.7 million. The probability of winning the grand prize is .000000023. Determine the expected value of the lottery ticket. (Round your answer to 3 decimal places.) 5 points Expected value $ Would you pay $1 for a ticket? eBook O Yes O No Hint Ask Print References