Which of the following is a discrete variable? (1 Point) O Time required to a vehicle to cover 20 km O Volume of water in a tank Headcounts of animals in a zoo O Height of selected NU playerWhich of the following is NOT TRUE about a normal curve? (1 Point) O It is symmetric about a vertical axis through the mean O The total area under the normal curve is 1 It is bell-shaped O It's tails ends at z values equal to 3.5030 34) A random variable has the following X 8 9 12 probability distribution (see fig). Find p(9) (1 Point) P(xx) 2/3 ? 1/6 1/3 1/6 2/3 O 1/2 Option 57 In preparation for the coming Christmas party, the class is planning to form a committee consisting of 5 students. The members of the committee will be selected at random from 7 male and 8 female students. Find the probability that the committee will have no male students (2 Points) .2356 .0186 .3263 O .3916It refers to a data distribution where the mean, median, and mode are equal or approximately equal. (1 Point) O Binomial Distribution Poisson distribution O Hypergeometric distribution Normal distributionIt refers to the graphical representation of a normal distribution. O Probability curve O standard graph O Normal curve Variance curve8 It tells us how many standard deviations an observed value (x) lies above or below the mean of the distribution. (1 Point) z-score O Mean score O variance score O raw score3 Record shows that the amount of sales on a given store is P30,000 per month with a standard deviation of P2,000. If the sales are normally distributed. What is the standard score corresponding to a sales of P35,000? (2 Points) O -.50 O -2.50 O.50 2.505 Record shows that the amount of sales on a given store is P30,000 per month with a standard deviation of P2,000. If the sales are normally distributed. What is the percentage of sales exceeding P35,000? (2 Points) 99.38% .62% O 49.38% 62%35 It refers to a probability distribution with only two possible outcomes that may be classified as a success or a failure. (1 Point) Binomial distribution Poisson distribution Hy; ergeomtric distribution Normal distribution