The average number of children a Japanese woman has in her lifetime is 1.38. Suppose that one Japanese woman is randomly chosen. Find the probability that she has fewer children than the Japanese average. (Round your answer to four decimal places.) Find the probability that she has more children than the Japanese average. (Round your answer to four decimal places.)

Q: The average number of cockroaches per hectares in a 7-hectares wheat field is estimated to be 11.…

A: Let , X be the number number of cockroaches per hectares in a 7-hectares Here , X has Poisson…

Q: In a large population, 66 % of the people have been vaccinated. If 3 people are randomly selected,…

A:

Q: A group of people were asked whether they owned a dog. The number of people that owned a dog was…

A: From the provided information, Sample size (n) = 490 + 464 = 954 The number of people that owned a…

Q: Kathryn buys a bag of cookies that contains 9 chocolate chip cookies, 5 peanut butter cookies, 8…

A:

Q: The number of eligible voters in Riverdale total to 1285, but only 402 are registered. What is the…

A: Probability is defined as the total number of favorable cases of an event divided by the total…

Q: Find the probability that a randomly selected student was female given that the student earned a…

A: Given:    A B C total  Male 2 19 20 41 Female 7 4 8 19 Total 9 23 28 60

Q: The probability that an individual is left-handed is 0.190. In a class of 17 students, what is the…

A: It is given that,  The probability that an individual is left-handed is 0.190  i.e. p=0.190 We have…

Q: In a poll,  480 out of 1623 people said that they prefer chocolate ice cream to vanilla.   (a) What…

A: From the given information, out of 1,623 persons 480 were responded that they prefer chocolate ice…

Q: In a large population, 67 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Given: Let X be the number of people has been vaccinated.   n=5 and p=0.67 X ~ B (n=5, p=0.67)

Q: In a large population, 57 % of the people have been vaccinated. If 5 people are randomly selected,…

A: We have given that  Sample size n= 5 Success of probability p=57%=0.57 X~binomial ( n ,p)

Q: During a laboratory experiment, the average number of radioactive particles passing through a…

A: Let X be the number of radio active particles passing through a counter in one millisecond. It is…

Q: The probability that an iPOD’s battery will need replacing within two years is 21%. A store sold 15…

A:

Q: A 6-sided die is rolled twice. What is the probability of showing a 1 on the first roll and an even…

A:

Q: In a five card poker hand, what is the probability of being dealt exactly one seven and no picture…

A: Here given five card poker hand dealt from standard deck of 52 cards  Here total picture cards = 12…

Q: In a recent study nationwide, it was found that 51% of people lost their keys in the past year. If…

A:

Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…

A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.

Q: The weekly average number of airplane crashes is 1. Whatis the probability that there will be (a) at…

A: Given Data: Let X be the random variable representing weekly average number of airplane crashes X ~…

Q: The opera theater manager calculates that 32 % of the opera tickets for tonight's show have been…

A: The opera theater calculates that 32% of the opera tickets for tonight's show have been sold. That…

Q: In a large population, 68% of the people have been vaccinated. If 5 people are randomly selected,…

A: Givenp=0.68n=5Let x be no.of people vaccinatedx~Binomial(n=5,p=0.68)P(X=x)=(nx)×px×(1-p)n-x   ;…

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 12 seeds are planted,…

A:

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: A coin is tossed 6 times. What is the probability of getting at least one tail? Express your answer…

A:

Q: In a large population, 71 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Solution: Let X be the number of people have been vaccinated and n be the sample number of people.…

Q: The average number of cars arriving at a drive-thru fast food restaurant is 3 in ten minutes, what…

A: GivenAn average no.of cars arriving at a drive-thru fast food restaurant is 3 in tenminutesλ=1.5 for…

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 10. Find the…

A:

Q: A TV studio has brought in 10 boy kittens and 9 girl kittens for a cat food commercial. The director…

A: Using permutations & combinations we will find the total ways (N) to choose 10 cats out of…

Q: An exit poll during a recent election revealed that 55% of those voting were women and that 65% of…

A: P(A|B) = P(A∩B)P(B)

Q: In a recent year, there were 2,515,458 deaths, and 787,650 of them were due to cardiovascular…

A: Total number of deaths = 2515458Number of deaths due to cardiovascular disease = 787650…

Q: In a large population, 58% of the people have been vaccinated. If 3 people are randomly selected,…

A: Given, 58% of the people have been vaccinated. that is

Q: The time taken by brake discs to overheat on construction equipment is normally distributed with…

A: X be time taken by brake discs to overheat on construction equipment. and X has normally…

Q: A history class is comprised of s female and 6 male students. If the instructor of the class…

A: Given: Number of females = 8 Number of males = 6 Total number of students = 8+6…

Q: what is the probability of getting a 20 or 21 playing roulette? express answer as a % with 2 decimal…

A: Roulette has numbers 1 through 36 inclusive

Q: Two dice, one white and one black, are thrown together. Calculate the probability that the score on…

A:

Q: The Gallup organization found that 27% of Americans own a cat as a pet. Find the probability 5…

A: Given problem Given that   The Gallup organization found that 27% of Americans own a cat as a pet.…

Q: In a large population, 68% of the people have been vaccinated. If 5 people are randomly selected,…

A: P(vaccinated) = 68% = 0.68Sample size = 5

Q: In a large population, 63 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Introduction: Denote X as the random variable of interest here, which is the number of people who…

Q: Find the probability of being dealt a red ace, a two, then a three, in this order, without replacing…

A: P(E) = Number of favourable outcomesTotal number of possible outcomes Total number of possible…

Q: Q1. If the average number of suicide in Bollywood is 3 per year, what is the probability that…

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Q: If you roll 1 six sided die, what is the probability that you roll a number higher than 2? (Express…

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Q: During a Kansas tornado season, the probability a local grocery store experiences power outage on…

A: (c) On none of the days: P(None of days)= (1-0.125)5 P(None of days)=(0.875)5 P(None of days)=…

Q: The daily price in dollars per metric ton of cocoa in 2007 was normally distributed with 
$2,014…

A:

Q: During a laboratory experiment, the average number of radioactive particles passing through a…

A: Given that  Average number of radioactive particles passing through a counter in 1 milliseconds=4…

Q: The probability that Rockies' Trevor Story will get a hit is 0.277. What is the probability that he…

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Q: If you roll 1 six sided die, what is the probability that you roll a 3? (Express your answer as a…

A: What is Probability: When we perform a random experiment, we can expect more than one possible…

Q: A 5th grade teacher seems that 24% of her students are late for class. If the teachers right, what…

A: Let p be the true population proportion.It is given that the proportion of late student p0 is…

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant.If 6 seeds are planted,…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: In a large population, 68 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Given that, 68% of the people have been vaccinated. Probability, p = 68% = 0.68 Sample size, n = 3

Q: In a large population, 53% of the people have been vaccinated. If 4 people are randomly selected,…

A: Given data The Probability of people being vaccinated is, p = 0.53 The No of people randomly…

Q: A recent survey of 2500 people who own tablets showed that 1,654 use the device to play games, 1,001…

A: Let G be the event that a person uses tablet for playing games and E be the event that a person uses…

Q: A fair die is rolled three times. What is the probability that it comes up 4 at least once? Write…

A: