The random variable X, representing the number of items sold in a week, has the following probability distribution:x 0 1 2 3 4 5 6P(X = x) 0.10 0.20 0.40 0.15 0.05 0.05 0.05On average, how many items are sold in a week?Group of answer choices2.00.14282.26.33.0

The random variable X, representing the number of items sold in a week, has the following probability distribution:x 0 1 2 3 4 5 6P(X = x) 0.10 0.20 0.40 0.15 0.05 0.05 0.05What is the probability that in a given week there will be at most 4 items sold? 0.60 1.00 0.10 0.85 0.90

The random variable X, representing the number of items sold in a week, has the following probability distribution:x 0 1 2 3 4 5 6P(X = x) 0.10 0.20 0.40 0.15 0.05 0.05 0.05By the fourth day of a particular week, 3 items have already sold. What is the probability that there will be less than a total of 5 items sold during that week? 1.00 0.95 0.90 0.85 0.67

The random variable X, representing the number of accidents in a certain intersection in a week, has the following probability distribution:x 0 1 2 3 4 5P(X = x) 0.20 0.30 0.20 0.15 0.10 0.05On average, how many accidents are there in the intersection in a week? 5.3 2.5 1.8 0.30 0.1667

On an average, a clothing store gets 120 customers per day. Let the random variable be X~P (120). What is the probability of getting 150 customers in one day?Question 4Answera.0.05b.0.0010c.0.2

The random variable X, representing the number of items sold in a week, has the following probability distribution:Which of the three random variables has the smallest standard deviation? X Y Z All three random variables have the same standard deviation.