A researcher believes that 8% of females smoke cigarettes. If the researcher is correct, what is the probability that the proportion of smokers in a sample of 863 females would be greater than 6%? Round your answer to four decimal places.

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant. If 8 seeds are planted,…

A: From the provided information, If a seed is planted, there is 80% chance of growing into a healthy…

Q: A statistician calculates that 8%8% of Americans own a Rolls Royce.   If the statistician is…

A: It is known that, the mean of the sampling distribution of p-hat is equal to the population…

Q: According to a 2009 Reader's Digest article, people throw away approximately 20% of what they buy at…

A: Given data Probability of throwing away (p) = 0.2 No of grocery shoppers(n) = 100 Probability that…

Q: A four-sided die is rolled twice, and a card is drawn form a standard deck of playing cards What is…

A: Probability is chance of occurrence of an event, that is ratio of the number of favourable outcomes…

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

A: Given: Sample size, n = 446 32% of the opera tickets for tonight's show have been sold Proportion =…

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: . What is the probability that a student will neither do homework regularly nor will pass the ourse?…

A:

Q: Suppose that on the average, 8 students enrolled in a small liberal arts college have their…

A:

Q: In a large population, 57% of the people have been vaccinated. If 3 people are randomly selected,…

A: Obtain the probability that that at least one of them has been vaccinated. The probability that that…

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

A:

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 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: If the probability that the Islanders will beat the Rangers in a game is 1/3, what is the…

A: Solution: Let X be the number of games Islanders will win in a against the Rangers and n be the…

Q: A researcher believes that 7% of pet dogs in Europe are Labradors. If the researcher is right, what…

A: Given, p=0.07 1-p = 1-0.07 =0.93 n=538

Q: A film distribution manager calculates that 7 % of the films released are flops. If the manager is…

A: Where.

Q: A scientist claims that 8% of viruses are airborne. If the scientist is accurate, what is the…

A: Given information:Sample proportion (p) = 8%                                     = 0.08Sample size…

Q: Poppy and her teammates are each chewing a piece of tropical flavoured gum before their championship…

A:

Q: A recent study of cardiovascular risk factors reported that 30% of adults met criteria for…

A: Let X be the number of adults that meet the criteria for hypertension. Therefore, The probability…

Q: A scientist claims that 7 % of viruses are airborne. If the scientist is accurate, what is the…

A: Where,

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

A:

Q: A survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A: For a random sample of 500 adults, 54​% watch news videos.

Q: a fast food center wants to estimate the proportion of people in its city that will purchase its…

A:

Q: A recent study has shown that a new treatment cures a certain disease 66% of the time. If this…

A: We have to use Binomial distribution. Binomial distribution : If x follows Binomial distribution…

Q: A jar contains four times as many red marbles as blue marbles. What is the probability of drawing a…

A: Consider that there is total x blue marbles in the jar.

Q: A film distribution manager calculates that 9 % of the films released are flops. If the manager is…

A: Given Information: Manager calculates that  9% of the films released are flops i.e., p=0.09 Sample…

Q: Why should the sum of the probabilities in a probability distribution is always equal to 1? What is…

A: *Answer:

Q: A film distribution manager calculates that 4% of the films released are flops.If the manager is…

A: The given data: Probability that the films released are flops, p = 0.04 Number of samples, n= 747…

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

A:

Q: Suppose 50% of the children in a school are girls. If a sample of 890 children is selected, what is…

A: 26. Given that 50% of the children in a school are girls. And there are 890 children is selected.…

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

A:

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant. If 11 seeds are planted,…

A: Solution Given: Sample size (n) = 11 p (don't grow into a healthy plant) = 1- p (grow into a healthy…

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 an experiment consisting of three flips of a fair coin, what is the probability that the first…

A: As per given by the question, there are three coins are flipped. then find the probability that the…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 12 seeds are planted,…

A:

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: In a new fiber-optic communication system, transmission errors occur at the rate of 2.5 per ten…

A: Obtain the probability that more than five errors will occur during the next minute.   The…

Q: The auto parts department of an automotive dealership sends out a mean of 4.4 special orders daily.…

A: Obtain the probability that, for any day, the number of special orders sent out will be no more than…

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: A scientist claims that 4%4% of viruses are airborne. If the scientist is accurate, what is the…

A: A scientist claims that 4% of viruses are airborne. That is, p=0.04. Let p^ is defined as the sample…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 7 seeds are planted,…

A: Let x be number of plants don’t grow. Here x follows binomial distribution with parameters n = 7 and…

Q: What is the probability of selecting all women for a​ seven-person jury from a pool of fifteen men…

A: Solution: From the given information, fifteen people are men and fifteen people are women. Total…

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 film distribution manager calculates that 9% of the films released are flops. If the manager is…

A: It is given that 9% of the films released are flops. A sample of 580 is considered.That is, p = 0.09…

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: From experience, the manager of Kramer's Book Mart knows that 30% of the people who are browsing in…

A: Given dataProbability of the people who are browsing in the store will make a purchase…

Q: According to a 2009 Reader's Digest article, people throw away approximately 20% of what they buy at…

A: Given: p = population proportion = 0.20 n = 100

Q: A researcher believes that 8 % of pet dogs in Europe are Labradors. If the researcher is right, what…

A: Where,

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:

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.