Q5 to 8 only need correct option ..no explanation so send me ASAP thanks

5. Which of the following is not a characteristic of the normal probability distribution? A. The mean, median, and the mode are equal B. The mean of the distribution can be negative, zero, or positive C. The distribution is symmetrical D. The standard deviation must be 1 6. Given that Z is a stande normal random variable, what is the value of Z if the area between -Z and Z is 0.901? . A. 1.96 B. -1.96 C. 0.4505 D. 1.65 7. Under binomial probability distribution, if the observation n is 20, the successful probability is 0.35, what is the variance? A. 7 B. 4.55 C. 20 D. 2.45 8. Which of the following is not a property of a binomial experiment? A. the experiment consists of a sequence of 11 identical trials B. each outcome can be referred to as a success or a failure C. the probabilities of the two outcomes can change from one trial to the next D. the trials are independent