Question

Out of 15 for 3% of the overall grade Assignment #3 Name: 1) Sunshine Insurance offers life insurance to men age 80. Mortality tables indicate the likelihood of a 80-year-old man surviving another year is.94. If the policy is offered to six men age 80 a. What is the probability all eight men survive the year? b. What is the probability that at least one survives? 2) A basketball player scores 70% of his shots on average. What is the probability that he scores at least 18 successful shots tonight if he gets 20 shots? 3) The chance that a salmon jumps up the waterfall to upstream successfully 35%. We have a group of 9 salmon. a) What is the chance that none of them jump up successfully? b) What is the chance that all of them reach up-stream? c) What is the chance that at least 2 of them reach up-stream? d) What is the chance that at most 1 of them reach up-stream? e) Is at least 1" complement of event at most 1"? 4) A typical typist's accuracy is 1450 words in 15000 words. What is the probability that this typist makes 4 errors in 550 words?

Answer 1

☺ survining another year P=0.94 2 -0.06 n=8 men are considered. -k. If follows Binomial distribution . P(x=K) = MCK Probability for all men survive the year. P(x=8) 8c8 (6,94).(0.05) 8 60,94) -0.60956 ♡ 0.61 © atleast one gurvives: -[i- probabiler for no one services 1-f(x=0) = 1-3. (0,94.39 (0.06) (-600618 5.0.9999