40 percent of consumers prefer to purchase electronics online. You randomly select 8 consumers. Find the probability that the number of consumers who prefer to purchase electronics online is:​ (a) exactly five? (b) more than​ five? (c) at most five?

Q: You ask a friend to think of a number from 4 to 10. What is the probability that his number will be…

A: S= number from 4 to 10 = {4,5,6,7,8,9,10} A = number will be a multiple of three = {6,9}

Q: usan asks her neighbor to water a sickly plant while she is on vacation. Without water, the plant…

A: Given that P(dying| without water)=0.8 P(dying| with water)=0.15 P(watered)=90%=0.90 P(No…

Q: A box contains 5 non-defective (N) items and 2 defective (D) items. Three items are drawn without…

A:

Q: find the probability of given data:   left of z score -2.3 between the z score  -2.3 and 1.53

A:

Q: An insurance company sold 2,500 policies ($100,000 payout value) this year. The probability of death…

A: The number of deaths that would result in breaking even means that the expected mean is zero.…

Q: If the probability of a defective light bulb is 0.01, to be 92.5 % confident, up to how many…

A: Given information: PDefective=0.01, n=40

Q: Clare's Cupcakes recently sold 9 cupcakes, of which 3 were peanut butter cupcakes. What is the…

A: There are totally 9 cupcakes are sold in which 3 were peanut butter cupcakes.

Q: A landscaper is selecting two trees to plant. He has five to choose from. Three of the five are…

A: It can be solved using combination and probability formulas.

Q: Suppose the candidate pool for two appointed positions includes 10 women and 5 men. All candidates…

A: Here N= 5men+10women =15   Selecting 2 men from 5 men is 5C2 ways   Probability of selecting of 2men…

Q: The probability of forming a 6 letter word (sensible or non- sensible) from the letters of…

A: According to the provided information, the word LIPOPOLYSACCHARIDE is given and the length of the…

Q: You want to know the probability that you will select a king of any suit from a deck of cards. You…

A: Important methods of assigning the probabilities to evens are a classical method and statistical…

Q: Warren misses 40% of his shots. What is the probability that he will achieve his third shot on his…

A: Given  q=40%=0.40 p=1-q=1-0.40=0.60 n=5 X~Binomial(n=5,p=0.60)

Q: The windshield wipers on a car have not been working properly. The probability that the car needs a…

A: The union probability for any two events A and B is defined as P(A ∪ B) = P(A)  + P(B) – P(A ∩ B).

Q: Camila sets up a passcode on her smart phone, which allows only five-digit codes. A spy sneaks a…

A: From the given information Passcode allows 5 digit codes Fingerprint on the screen was over 5…