Of those mountain climbers who attempt Mt. Everest, 68.2% reach the summit. In a random sample of 25 mountain climbers who are going to attempt Mt. McKinley, what is the probability of each of the following? Round your answers to four decimal places. (1) all 25 reach the summit (1) at least 15 reach the summit (1) no more than 18 reach the summit

Suppose that 35% of people own dogs. If you pick two people at random, what is the probability that they both own a dog?Give your answer as a decimal (to at least 3 places) or fraction

When sent a questionnaire, 50% of the recipients respond immediately. Of those who do not respond immediately, 60% respond when sent a follow-up letter. If the questionnaire is sent to 4 persons and a follow-up letter is sent to any of the 4 who do not respond immediately, what is the probability that at least 3 never respond? A D E (0.2) 4 + 4.(0.2) ³. (0.8) (0.2)4 + 4.(0.2).(0.8)³ (0.4) 4 + 4C (0.4) ³. (0.6) (0.9)4 + 4.(0.9) ³. (0.1) 4.(0.2) ³ (0.8)

Which of the following do you think could possibly be true? A. The number of students enrolled at a university decresed by 100% from last year B. The probability that an NFL team win the super bowl this year is 110% C. A student flips a coin 10 times and obeserves 65% of the time the coin lands on tails D.85% of students at a university are enrolled full-Time

A survey of randomly selected 10000 college faculty members shows that 50% of the faculty own a car, 25% own a bicycle, and 9% own both. Find the probability that a faculty member chosen at random owns a car or a bicycle (or both).

At a local​ company, 15​% of the employees are women. Every​ day, 7​% of the women bring their lunch to​ work, while only 3​% of the men bring lunch. Find the probability that a randomly selected employee is a woman given that the person brings their lunch to work.   A. 0.150 B. 0.011 C. 0.708 D. 0.292 E. 0.070