In a batch of 201 8 calculators. there are, on average, 6 defective ones. If a random sample of 133 is selected. nd the probability of having at most 2 defective units. Only the final answer should be roundedoff to FOUR decimal places. The probability that a cellular phone company kiosk sells X number of new phone contracts per day is shown below. Note: v = 1 w = 5 x = 7 y = 11 Z = 14 Find the variance for this probability distribution. Rural speed limits for all the states are indicated below. m 65mph 70mph 75mph ... [K] [v] [z] Choose one state at random. Find the probability that its speed limit is greater than 65 miles per hour. Only the final answer should be rounded-off to TWO decimal places. If P(20