What are the answers for the problems below? please give me explanations as well. please ignore the red number. thank you

35. 36. 37 2LA The Harmon advertising company wants to test the effectiveness of one of their television spots aired on Channel 10. In a poll of 1000 Channel 10 viewers, 224 indicated that they recalled seeing the television ad. Which of the following would be a 99% confidence interval for the true proportion of Channel 10 viewers who remembered seeing the ad? A. [0.190,0.258) B. [0.198,0.250) C. [0.202,0.246) D. [0.206,0.242] E. [0.211,0.237) A botanist has determined that there is a strong linear correlation between the life spans of a certain species of toads and their adult weights, The least-squares regression line representing the relationship between the life span of a toad in days, y, and the weight in ounces, x, is given by the following equation: y=173.3 - 1.65x 50 The flight times for a league of competitive hang gliders follows a normal distribution with mean K = 26.8 minutes and standard deviation of 6.4 minutes. What is the minimum flight time a hang glider must have in order to be in the highest 1%? A. 11.9 minutes . 33.2 minutes 39.3 minutes 41.7 minutes 43.3 minutes meOw The Bango market research company wants to perform a taste test to determine whether random customers prefer Koala Cola or Poopsie. Workers performing the survey present customers with two 6 ounce glasses, labeled *Cola A and \"Cola B." After consuming each glass of cola, the customer indicates which of the two colas is preferred. The test is constructed as a double-blind study. Which of the following statements best describes the meaning of \"double blind?\" A. The customer does not know the identity of either Cola A or Cola B. B. The customer wears a blindfold while testing the colas. C. Inaddition to not knowing which cola is which, the customers do not know why they are tasting the colas, D. The customers do not know what the total sample size is. E. Neither the customer nor the worker conducting the survey knows which cola is which