Could you please help me with these probability questions? Thank you so much!

Which of the to a. The bula must to Copendent. A. The pro D. The procedure has a fixed number of trials. C. Each trial must have all ou contacts, surgery etc ) for their eyesight. Twenty adults are 5. A! the 5. A survey showed that 74% of adults need correction fayeglasses correction for their eyesight. (b) no more than 7 of them need correction for randomly selected, find the probability that (a) 12 need correction the w their eyesight, and (c) at least 14 need correction for their eyesight (a) P(x = 12) (b) P(x 5 7) = (c) P(x 2 14) = 6. 6. Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes. If 115 adult smartphone users are randomly selected, find (a) the expected mean of adults who use them in meetings or classes, along with (b) the standard deviation. (a) Expected mean of adults using smartphone, E(x) = (b) Standard deviation of adults using smartphone, a = (c) What is the probability that the number of adults who use their smartphone in meetings or classes is within 2 standard deviations of the mean? 7. Which of the following is not a requirement of the geometric probability distribution? A. The probability of a success remains the same in all trials. B. The trials must be independent. C. Each trial must have all outcomes classified into two categories. D. The procedure has a fixed number of trials. 8. In 2021, Houston Astros player, Jose Altuve, got on base 35.0% of the time. Find the probability that (a) he doesn't get on bas until his 5th attempt, (b) it takes no more than 8 attempts to get on base, and (c) it takes between 2 and 5 attempts to get on ba a) P(x = 5) = b) P(no more than 8 attempts) = c) P (2 5 x 5 5) =