A - telephone
B- internet
P(A) = 0.91
P(B) = 0.95
A and B are independent
P(A or B) = P(A) + P(B) - P(A and B)
= 0.91 + 0.95 - 0.91*0.95
= 0.9955
The probability that concert tickets are available by telephone is 0.91. For the same event, the...
Problem 2.209 The probability that concert tickets are available by telephone is 0.93. For the same event, the probability that tickets are available through a Web site is 0.94. Assume that these two ways to buy tickets are independent. What is the probability that someone who tries to buy tickets both through the Internet and by the telephone will obtain at least one ticket? Round your answer to four decimal places (e.g. 98.7654).
The the same event. the probabity that tickets are avalable through two ways to buy bckets are Web see·s 96 Assure that Oese to br tickets both through the Internet and by the teepene wa obtan at least-ticket, Round your answer to four decima, places Ce。wiss)
At a certain university, each student who tries to purchase concert tickets for an upcoming show is successful at connecting to the concert ticket website with probability 0.85. If unsuccessful in logging on, he or she tries again a few minutes later, over and over, until finally getting tickets. The concert is large (tens of thousands of seats), so assume that such attempts are independent. Within a group of 300 students, find the probability that strictly more than 360 attempts...
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Need help answering these 5 questions by the information provided in the first picture. This activity is important because around the world many economies- including those of the United States, Canada, and Japan - are based on free enterprise, and many communist and socialist countries, such as China and Russla, are applying more principles of free enterprise to their own economic systems. Free enterprise provides an opportunity for a business to succeed or fail on the basis of market demand....
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