At an airport, 75% of recent flights have arrived on time. A sample of 11 flights is studied. Find the probability that no more than 5 of them were on time. Round your answer in 3 decimal places

Q: In a large population, 58 % of the people have been vaccinated. If 4 people are randomly selected,…

A: p(people have been vaccinated)=0.58 Numeber of people (n)= 4 Let "X" be the people who has been…

Q: (b) What is the probability that a sampled woman has fewer than three children? Round your answer to…

A: Given data is Number of children Number of women 0 12598 1 7467 2 11269 3 7038 4 3782…

Q: A class has 18 boys and 12 girls. The teacher calls on students at random to recite. What is the…

A: Given that  Total students=18+12=30 Boys students=18 Girls students=12 Teacher calls on students at…

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, 71 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Given p=0.71, n=4  X ~ Binomial(n=4 ,p=0.71)

Q: To avoid detection at customs, a traveler places 6 narcotic tablets in a bottle containing 9 vitamin…

A: Given N=15 Sample size is greater than 5%

Q: The probability that a person buys a car from a particular dealership after a test-drive is 25%.…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: According to a study conducted by a public health school, a child seated in the front seat who was…

A: Consider the given information.

Q: The probability that an individual is left-handed is 0.170. In a class of 50 students, what is the…

A:

Q: In a large population, 51 % of the people have been vaccinated. If 5 people are randomly selected,…

A: It is given that the probability a randomly selected person is vaccinated is 0.51. Assuming that for…

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: In a large population, 52 % of the people have been vaccinated. If 3 people are randomly selected,…

A: P(vaccinated) =p = 0.52 P(not vaccinated) = 1-0.52 = 0.48

Q: A manufacturing machine has a 1% defect rate. If 3 items are chosen at random, what is the…

A: It is given that n = 3 and p = 0.01.

Q: A trail mix contains a mixture of nuts: pecans, walnuts, hazelnuts, and peanuts. If the probability…

A: From the provided information, The probability of reaching into the trail mix and getting pecans is…

Q: a. What percentage of students scored less than 68? b. What is the probability that a student scored…

A: Let , X→N(μ=88 , σ=11) , n=2500 Our aim is to find the following : a) P(X<68) b) P(66<X<82)…

Q: The director of a health club conducted a survey and found that 23% of members used only the pool…

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: In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the…

A: Given that, Probability = 0.57 Sample size, n = 6

Q: The probability that he picks 6 strawberry flavoured one is

A: Given,  One fifth of the candidature is strawberry flavor. Tome picks 10 candies.

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: (a) How many percent of the tubes are classified as A Grade and B Grade respectively? (b) Find the…

A: Air ball trap, X ~ Poisson(1.5)  A grade = no air ball trapped.  B grade = 1 or 2 air balls trapped.

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

A: Given p = 57% = 0.57 => q = 1 - p = 1 - 0.57 = 0.43 5 people are randomly selected => n = 5…

Q: A researcher believes that 8% of females smoke cigarettes. If the researcher is correct, what is…

A: From the given information, probability for female smoke cigarettes (P) = 8%And sample of females…

Q: In a large population, 64% of the people have been vaccinated. If 3 people are randomly selected,…

A:

Q: The Gallup organization found that 26% of Americans own a cat as a pet. Find the probability 5…

A: Given that, The probability of Americans own a cat as a pet is, p=0.26 The sample size is, n = 5

Q: Of the 82 grade-12 students at a school, 22 are taking Physics. Suppose that 18 grade-12 students…

A: This is a binomial distribution. The problem is solved using the probability distribution function…

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: At a particular restaurant, 56% of all customers order an appetizer and 42% of all customers order…

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 4 people are randomly selected,…

A:

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

A:

Q: A basketball player has a 0.654 probability of making a free throw. If the player shoots 13 free…

A:

Q: According to the CDC 13% of college students aged 18 - 14 smoke tobacco. sample of 25 college…

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

Q: In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the…

A: From the provided information, Guests who visit Yosemite National Park like to stay at an overnight…

Q: If you roll 1 six sided die, what is the probability that you roll an odd number? (Express your…

A: Probability is defined as the extent to which an event is likely to occur. The probability of an…

Q: A bag contains 46 U.S. quarters and four Canadian quarters. (The coins are identical in size.) If…

A: Given  Number of U.S quarters in a bag = 46  Number of Canadian quarters = 4 Total number of…

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: 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: Joe tosses a fair three-sided die 9 times. What is the probability he rolls all threes? If…

A:

Q: What is the probability that a registered voter voted in the election? About About 3,182,436 voted…

A:

Q: A place kicker in the NFL makes 78% of his field goals. If the outcomes are independent, what is the…

A: Given: p=0.78n=8q=1-p=1-0.78=0.22 The probability that he makes exactly 6 of the next 8 field goals…

Q: The probability of a hurricane hitting Houston is 1 in 18. The probability of any hurricane being…

A: Given that  P(a hurricane hitting Houston) = 1/18  P(hurricane being category 3 or higher) = 3/10…

Q: bote maker believes that 14% of his bottles are defectiv f the bottle maker is accurate, what is the…

A: Actual proportion is 14%. Sample size is 622.

Q: According to a study conducted by a public health school, a child seated in the front seat who was…

A:

Q: seat who was wearing a seatbelt was 33% more likely to be killed in an accident if the car had an…

A:

Q: (a) What is the probability that a sampled woman has four children? Round your answer to four…

A: Given data is  No.of children No.of women 0 12598 1 7467 2 11269 3 7038 4 3782 5 1820…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.