5.If the records show that, the probability of failing (with grade F) this course is p, [use the answer of question 22 above as the probability, p, here], what is the probability that at most 2 students out of 16 fail this course? {Hint: use binomia1 distribution}

The length of human pregnancies from conception to birth is approximately Normal with mean 266 days and standard deviation of 16 days.  The probability that the average pregnancy length  for six randomly chosen women exceeds 270 days is about:

Suppose the number of cars in a household has a binomial distributionwith parameters n = 8, and p = 20 %.Find the probability of a household having:(a) 1 or 5 cars (b) 3 or fewer cars (c) 1 or more cars (d) fewer than 5 cars (e) more than 3 cars

he mean height of women in a country​ (ages 20minus−​29) is 63.663.6 inches. A random sample of 5555 women in this age group is selected. What is the probability that the mean height for the sample is greater than 6464 ​inches? Assume sigmaσequals=2.892.89.

Fifty random shoppers at an electronics store have been interviewed and 35 of them intend to purchase a newly released smart phone. What probability distribution describes this situation and what are its mean and standard deviation of phone sales if we are concerned about 1071 shoppers that day? Compute to the nearest whole number.

M2.T1: Discrete Random Variable X ✰ uncc.realizeithome.com/RealizeitApp/Student.aspx?Token=fLs7iBaxWamSul6X8DoLQSEYK9UsQnOi0g9kaKopLTlfl6OcYvkiH9eFMpPKgHMkr20BtjXKb4xVDrbunDyK2HWavBF4jL2K4W4pXaznaQ... ☆ The University of N... it f Elements of Statistics / Discrete Random Variables / Learn: Probability Distributions for Discrete Random Variables Lesson path + 1. Random Variable Notation 2. Example Question 1 3. Example Question 2 4. Mean or Expected Value my.charlotte.edu 5. Example Question 3 Realizeit for Student Learn: Probability Distributions for Discrete Random Variables 62°F Clear Tutoring | Universit... X Question 3 Answered: Suppose you play a ga X + Microsoft Office Ho... Pt Periodic Table Suppose you play a game with a biased coin. You play each game by tossing the coin 3 once. P(heads) = and P(tails). If you toss a head, you pay $11. If you toss a tail, you win $6. if you play this game many times, will you come out ahead? (i.e. will you gain extra money from playing this…

Good afternoon,  i am having a hard time answering this question step by step could you please help me  thank you

The time between arrivals of customers at the drive-up window of a bank follows an exponential distribution with a mean of 20 minutes. a)What is the probability that the arrival time between customers will be 13 minutes or less? b)What is the probability that the arrival time between customers will be between 13 and 27 minutes?

Sociologist say that 90% of married women dislike their husband's mother . Suppose 6 married women are having coffee together one morning. What is the probability that

Suppose that the age of a randomly selected business major can be considered to be a random variable with mean 20 years and standard deviation 2 years. A group of 64 business majors is selected at random and their average age x¯ is calculated. b) What is the probability that x¯< 19.7?