A software engineer wants to move across the country from Vancouver to Montral to work. On...

 

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A software engineer wants to move across the country from Vancouver to Montréal to work. On different days, she mails a cover letter and resume to three different companies in Montréal. Suppose a letter sent from Vancouver to Montréal has a probability of 0.75 of reaching Montréal within three (3) days. (a) What is the probability that exactly two (2) of the three (3) letters will reach Montréal within three (3) days? (b) What is the probability that at least one (1) of the three (3) letters will reach Montréal within three (3) days? (c) If the three (3) letters are mailed together at the same time and location, how does your conclusion in part (a) change? A software engineer wants to move across the country from Vancouver to Montréal to work. On different days, she mails a cover letter and resume to three different companies in Montréal. Suppose a letter sent from Vancouver to Montréal has a probability of 0.75 of reaching Montréal within three (3) days. (a) What is the probability that exactly two (2) of the three (3) letters will reach Montréal within three (3) days? (b) What is the probability that at least one (1) of the three (3) letters will reach Montréal within three (3) days? (c) If the three (3) letters are mailed together at the same time and location, how does your conclusion in part (a) change?

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The probability 4 reaching Montreal days is la The probability that enactly 2 of the 3 within 3 ... View the full answer