4) In a certain animal species, the probability that a female will have 0, 1, 2, 3, or 4 offspring in a given year is 0.31, 0.21, 0.19, 0.17, and 0.12 respectively. Find the expected number of offspring.

Q: An individual has 30% probability of making a half-court shot independent of other shots taken.…

A: Given: n =    4 p =   0.3

Q: A company selling substandard drugs to developing countries sold 2,000,000 capsules with 60,000 of…

A: Solution: 3. From the given information, out of 2,000,000 capsules 60,000 are empty. The sample size…

Q: Suppose you roll a die with probability of 1 being 1/13, 2 being 2/13, 3 being 4/13, 4 being 3/13, 5…

A: The given values of up-face of the die and the corresponding probabilities are given in below table.

Q: 10. The probability that each specific child in a given fam- ily will inherit a certain disease is…

A:

Q: Leghorn chickens are raised for laying eggs. Suppose the probability of a female chick hatching from…

A: Let us define the random variable X as the number of female chicks and follows Binomial distribution…

Q: 1. If two fair dice are rolled, what is the probability that the sum will be greater than or equal…

A: We first make a table for the outcomes when two dice are rolled. sum Outcomes Number of…

Q: 3/ A marketing survey indicates that 40% of the population owns an automobile, 45% owns a house, and…

A: Let us denote A= automobile  H= house  Given that P(A)=40%=0.40  P(H)=45%=0.45 P(A and H)=20%=0.20

Q: 3) In Five Card Poker a player is dealt five cards Using a standard pack of cards, what is the…

A: In a deck of cards, there are total 52 cards 4 suits i.e. Diamond, heart, club and spade 13 cards in…

Q: What is the probability that a randomly selected student sings in the shower 1-2 times a week given…

A: The table given below ,    0 times a week 1-2 times a week Total Country 7 16 23 Rock 9 11 20…

Q: What is the probability that 15​,16​,17​,18​, or 19npeople in the sample are in favor of retaining…

A: d. Obtain the probability that 15, 16, 17, 18, or 19 Spaniards from the sample are in favor of…

Q: a. If the lot contains one defective LCD, what is the probability that you will accept the lot? b.…

A: Suppose you are purchasing small lots of LCDs for computer terminals. Since it is very costly to…

Q: In a family with 2 children, excluding multiple births and assuming that a boy is as likely as a…

A: Let B=Boy and G=Girl Possible number of outcomes for two children are {BB, BG, GB, GG} Let x= number…

Q: 15% of adults in the United States do not make New Year's resolutions. Suppose a random sample of…

A: 15% of adults in the United States do not make New Year's resolutions. Suppose a random sample of…

Q: According to a recent​ study, 64​% of households from a certain large region no longer have a…

A: The random variable cell phone service follows binomial distribution. The value of the proportion is…

Q: 2. A young couple plans to have a family with four children. Assuming that the behavior of their…

A:

Q: Suppose you roll a die with probability of 1 being 2/14, 2 being 1/14, 3 being 4/14, 4 being 3/14, 5…

A:

Q: a) What is the probability that at least 3 have conditions caused by outside factors? b) What is…

A: According to the answering guidelines, we can answer only 3 subparts of a question and the rest can…

Q: (a) What is the probability that a person chosen at random from those in this sample will be in the…

A: We know that the probability of an even is given by the formula

Q: (a) If a shaft is selected at random, what is the probability that the shaft conforms to surface…

A: From the given data of machine tools we need to find some probabilities.

Q: What is the probability that at least 2 out of 30 received special accommodation?

A: Let p be the probability that a student will need special accommodation. Given that p = 0.015 Let X…

Q: The probabilities are 0.4, 0.3, 0.1, and 0.2, respectively, that a delegate to a certain convention…

A: Given : The probabilities are 0.4, 0.3, 0.1, and 0.2, respectively, that a delegate to a certain…

Q: What is the probability that a child expected from a certain family will be: a.) a boy b.) a girl.…

A: In this case, we need to find the probability that a child expected from a certain family will be a…

Q: 15. A football team scores on average 2.25 goals per game, what is the probability that the team…

A: Given that, A football team scores on average 2.25 goals per game. We need to find the probability…

Q: 10. A movie theatre estimated that when a random ticket holder is VIP, there is a 1/7 chance that…

A: Given information: PPerson will be over 30 years old=17PWomen=25

Q: 2. The probabilities that a surgeon operates on 3, 4, 5, 6, or 7 patients in any day are 0.10, 0.20,…

A:

Q: c. A computer system requires that passwords contain at least one digit. If seven characters are…

A: It is given that, If seven characters are generated at random, and each is equally likely to be any…

Q: 3. A traffic control engineer reports that 75% of the vehicles passing through a checkpoint are from…

A: 3)  -probablity is 3/7

Q: a) What is the probability that the jury will have 6 men and 6 women? b) What is the probability…

A: Here use hypergeometric distribution

Q: 4. The basketball team at North Snowshoe High is in trouble. Two of their players have just fouled…

A: 4. The total number of ways choosing two of the four to go into the game is 42. The number of ways…

Q: If six different customers A,B,C,D, E and F arrive for service at random order what is the…

A: Given that  Total number of customers = 6   [ A B C D E F ] We know that  Probability = Number of…

Q: If 8 different customers A, B, C, D, E, F, G, and H arrive for service at random order, what is the…

A: Here Given total Number of customer=8

Q: 3. A traffic control engineer reports that 75% of the vehicles passing through a check point are…

A: Given,n=5p=1-0.75=0.25A random variable X~Binomial(n=5 , p=0.25)P(X=x)=5x0.25x1-0.255-x ; x=0,1,...5

Q: The following table gives the estimated probabilities that a randomly selected subscriber will…

A:

Q: 1. What is the probability that a student selected at random prefers peach slices as a snack? 2.…

A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

Q: a) If 20 melanoma patients are given Interleukin-2 plus a vaccine, what is the probability that…

A: Given: Number of patients = 178 Group A received interleukin-2 only, Group B received interleukin-2…

Q: a. What is the probability that a person chosen at random purchases Brand X and is under 30 years…

A: here use given table    here use basic probability and bayed rule  probability  = #favorable…

Q: The proportions of blood phenotypes A, B, AB, and O in the population of all Caucasians in the…

A: From the provided information, P (A) = 0.40, P (B) = 0.11, P (AB) = 0.04 and P (O) = 0.45

Q: A machine produces items one by one and independently. It is considered that 10% of them are…

A: There are x failures preceding the first success follows the geometric distribution.It is given that…

Q: In a class of 25 students, 15 have a part time job. Ten students are selected at random, a) What is…

A: In a class of 25 students, 15 have a part time job. Probability that student have a part time job =…

Q: 2) In a Canadian population, 30% of people spend 4 hours or more per day on smartphone; 25% of…

A:

Q: 4.The mortality rate for a certain disease is 25%. A random sample of twelve patients with this…

A: It is given that n = 12 and p =0.25.

Q: Suppose a math class contains 37 students. There are 23 females (four of whom speak Spanish) and 14…

A: From the given information we make a table   Male Female Total Speaks Spanish 4 4 8 Do not…

Q: 1. In a certain manufacturing company, a production line has 0.25 probability of having a defective…

A: Formula : Binomial distribution is given by

Q: In a certain manufacturing company, a production line has 0.25 probability of having a defective…

A: From the provided information, Probability of a production line having a defective product (p) =…

Q: 11. The probabilities that a customer buys 5,8,9,12 and 15 items in a grocery store are 0.06, 0.14,…

A:

Q: The mean number of patients admitted per day to the emergency room of a small hospital is 22. If, on…

A: Let us define the random variable X as the number of patients admitted per day to the emergency room…

Q: 15. Suppose a fast-food restaurant can expect 6 customers every 9 minutes, on average. a) What is…

A: