A)

Which of the following statements are true about descriptions of the given variables? You may choose more than one answers. O) Job satisfaction is measured on a 5-point scale where 1=" Extremely dissatisfied" and 5 = "Extremely satisfied". This is a categorical ordinal variable. )Cholesterol concentration in a blood specimen is a quantitative continuous variable. O Weight of a new born baby is a categorical nominal variable. O A physician recorded the number of seizures that each of his 20 patients had during 2 months. This is a quantitative continuous variable. O) The number of late assignments submitted in a week is a quantitative discrete variable.In a fly population 44% of the flies are black and 56% of the flies are gray. Suppose that two flies are randomly chosen from the population with replacement. What is the probability that both flies are black.? Provide your answer to 3 decimal places.Let X be a random variable. Suppose that X ~ Bin(18, 0.5). What is the mean of X?A certain drug treatment cures 72% cases of hookworms in children. Suppose that 40 children are suffering from hookworms are to be treated. What is the R command to calculate the probability that at least 11 children will be cured? O phinom(11, 40, 0.72) O pnorm(11, 40, 0.72) O 1 - phinom(10, 40, 0.72) O 1 - phinom(11, 40, 0.72) O pbinom(10, 40, 0.72)