Answer.

e. Find the probability that six do not use the foil as their main weapon. Round your answer to four decimal places. Number f. Based on numerical values, would you be surprised if all 23 did not use the foil as their main weapon? Justify your answer numerically. Round your answer to four decimal places. I Click for List surprised if all 23 did not use the foil as their main weapon since it has a probability of Number A university has 7,700 students of which 4,000 are male and 3,700 are female. If a class of 25 students is chosen at random from the university population, find the mean and variance of the number of male students. Mean = 13, Variance = 6.24 Mean = 9.1, Variance = 3.744 Mean = 14.3, Variance =10.5456 Mean = 13.65, Variance = 8.3928At The Fencing Center, 65% of the fencers use the foil as their main weapon. We randomly survey 23 fencers at The Fencing Center. We are interested in the number of fencers who do not use the foil as their main weapon. a. In words, define the random variable X. @ X = the number of fencers who do not use the foil as their main weapon X = the number of weapons a fencer may choose as their main weapon X = the number of fencers who use the foil as their main weapon X = the number of fencers to ask until you find one who does not use the foil as their main weapon X = the number of times a fencer has used the foil as their main weapon b. List the values that X may take on. O X = 1, 2, 3,..., 23 o X = 0, 1, 2, ... o X = 0, 1, 2, ..., 22 o X = 1, 2, 3, ... @ X = 0, 1,2, ...,23 C. Give the distribution of X. X ~ B( Click for List d. How many are expected to not use the foil as their main weapon? Enter the exact answer. It is expected that Number fencers, on average, do not use the foil as their main weapon