The probability that at least 2 persons age 65 to 74 have the symptom is

Q: baseball player has a lifetime batting average of 0.313. If, in a season, this player has 385 "at…

A:

Q: You roll two six-sided dice numbered from one through six. What is the probability that the maximum…

A: Given that Two six sided dice are roll. Sample space=S={(1,1), (1,2), (1,3), (1,4), (1,5), (1,6),…

Q: What is the probability of obtaining pink or brown followed by green?

A: Given ,First spinner is having three different colours pink, blue, brown.Second spinner is having…

Q: What is the probability of a die showing a 2 or a 5?

A: If die are rolling then sample space is,  S = { 1, 2, 3, 4, 5, 6 }

Q: Suppose a baseball player's batting average is .325. What is the probability that in the next 100…

A: Let X denotes number times player hit ball.  It is given that player's batting average is 0.325.…

Q: A survey of students found that 86% expect to pass the statistics test they are scheduled to take…

A:

Q: The probability that it will rain on a given day is 0.23. What is the probability that it will not…

A: The probability that it will rain on a given day is 0.23 P(Rain) = 0.23 We know that , complement of…

Q: If the probability that an event does no occur is 0.3 determine the probability that the event…

A:

Q: go Padres) had a life- that he will get exac

A: The lifetime batting average of Tony Gwynn is 0.347. It is given that batting is done 5 times in any…

Q: If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be…

A: Given that the probability that an individual with a Bachelor Degree in Underwater Basket-weaving…

Q: If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be…

A: Given Data: P( individual will be hired)=0.77

Q: Find the empirical probability of flipping a coin 10 times

A: We need to find the emperical probability of flipping a coin 10 times Emperical probability is…

Q: You roll a standard die 50 times.  What is the probability that you roll a 3 at least 8% of the…

A:

Q: What is the probability of selecting one person at random who is a smoker?

A: From the provided information, Total person = 100 Number of persons who smoke = 54

Q: A baseball player has a lifetime batting average of 0.208. If, in a season, this player has 360 "at…

A:

Q: What is the probability of obtaining blue followed by green or purple?

A: Given ,First spinner is having three different colours pink, blue, brown.Second spinner is having…

Q: If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be…

A: It is given that probability that an individual with a Bachelor Degree in Underwater Basket-weaving…

Q: Find the probability that it was not filed against united Airlines

A: We have given that  Number of complaints filed against United Airlines = 1172  Total number of…

Q: an unfair coin with the probability of tails as 0.43 is tossed 5 times. What is the probability that…

A: The number of times tossed a coin is, n = 5 The probability of getting tail is, 0.43 The probability…

Q: You roll two six-sided dice numbered from one through six. What is the probability that the sum of…

A:

Q: A baseball player has a lifetime batting average of 0.213. If, in a season, this player has 365 "at…

A:

Q: Suppose a baseball player's batting average is .325. What is the probability that in the next 100…

A: Given, p = 0.325 n = 100 trials X = number of times, out of 100 that are success

Q: event has a 50% chance of occurring

A: Take a coin, flip it twice. If you get the same result both times, ignore the pair of flips and try…

Q: If the probability of being hit by lightning is 1 in 1,000,000, what is the probability of not…

A: Given that , P (being hit by lightning) = 1/1000000 =0.000001

Q: What is the probability of parents to have children who are both boys?         1       1/2…

A: given data   parent have two childrens. total outcomes  S : {BB,GG,BG,GB}

Q: Suppose a batsman can hit the ball 50% of the time. Assume that the batsman has seen 6 balls and hit…

A:

Q: 2. The probability that a patient recovers from a skin disease is 0.45. If 20 people are known to…

A: Given that  Number of trials n=20 Success of probability p =0.45 X~Bin(n,p)

Q: Assume that the incidence of the HIV virus in a particuar population is 4% and that the test…

A: Let us denote  A= actually has the virus T=tested positive Given that P(A)=4%=0.04 P(T|A)=90%=0.90…

Q: The probability that a baseball player hits a home run in any one inning is 0.30. What is the…

A: Given that: Probability of hitting a home run in any one inning is =0.30

Q: The probability of event B occurring is 7/20. What is the probability that event B does not occur?

A:

Q: An assembly line produces USB keys. The probability that each of the keys produced has some type of…

A: Given that  X~negative binomial (r) r=97 P=1- 0.036 =0.964

Q: A bookstore experiences a mean rate of 2 customers arriving per hour. What is the probability that…

A: A bookstore experiences a mean rate of 2 customers arriving per hour

Q: If the probability of being hospitalized during a year is 0.25. Find the probability that no one is…

A: X has binomial distribution. X~binomial(n,p)n=3p=0.25probability mass function of X;…

Q: the probability an airplane arrives on time 80% of the time.Out of ten flights, what is the…

A: Given that  Probability an airplane arrives on time is 80%   P =0.80 (1-P) = 1-0.80 = 0.20 Sample…

Q: If Digger's test indicates that there is no oil in the field, what is the probability that the field…

A: Question 4: Let A is defined as the field has oil, and B is defined as the digger test will indicate…

Q: 2 The probability of Inspector #1 on a production line finding a defective item is 0.8 and of…

A: Let, A = eventof defective item on a production line E1 = Inspector #1 E2 = Inspector #2 Then, we…

Q: Find the probability of an event E if the odds for E is equal to the odds against

A: Odds of an event:The odds an event is given by the ratio of the probability of the event to its…

Q: In average the number of people entering the intensive care unit at the particular hospital on any…

A: Step 1: Identify the formula to be usedWe will use Poisson distribution in this case since there is…

Q: what is the probability of an event that must happen?

A: The event that must happen is called as sure event or certain event.

Q: The flu test is 100% positive when flu is present. It gives a false positive in 10% of the tests…

A: