Let X a random variable from a continuous probability distribution where 0 ≤ x ≤ 15. What is the probability that x takes the value of 15 or more?Question 3Answera.0.75b.0c.0.5

P(X>15)=1−∑ k=015​ k!e −10 ⋅10 k

if there is 15 value equal to 15 then what is the standard deviation of this val

A RANDom variable X is normally distributed with mean 20 and standard deviation 4. find: a) P(X>25) B)P(X<25) C)The value of d such that P(20<X<D)=0.4641 D)P(15 "LESS THAN OR EQUAL TO" X "LESS THAN OR EQUAL TO 20"

Students arrive at Central Library at an average of 15 per quarter of the lunch hour. What is the probability that the next student will arrive within 5 minutes? ( round your answer to four decimal places)

A number is chosen at random from 1 to 120. Theprobability of the number chosen being a multipleof 3 and 15 both is _