Based on a smartphone​ survey, assume that 51​% of adults with smartphones use them in theaters. In a separate survey of 265 adults with​ smartphones, it is found that 117 use them in theaters.   a. If the 51​% rate is​ correct, find the probability of getting 117 or fewer smartphone owners who use them in theaters.   b. Is the result of 117

Q: A mail-order company has a 9% success rate. If it mails advertisements to 500 people, find the…

A:

Q: If the probability of having a female tortoise is 0.35, what is the probability of having four…

A: Given that,  The probability of having a female tortoise is, p = 0.35 The no.of eggs in a nest is, n…

Q: thirty four percent of us adults have very little confidence in newspapers. You randomly select 8 US…

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Q: The probability that an individual is​ left-handed is 0.130. In a class of 25 ​students, what is…

A:

Q: A bag has 10 pumpkin scented hand sanitizers, 6 cinnamon scented hand sanitizers, and 7 apple pie…

A: A bag has 10 pumpkin scented hand sanitizers, 6 cinnamon scented hand sanitizers, and 7 apple pie…

Q: In 2019 about 45% of people watch over 3 hours of tv a week. Suppose 8 people were selected at…

A: It is given that n = 8 and p =0.45.

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Q: According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that…

A: Given that P(A)=0.12 P(B) =0.39 P(A and B) = 0.31

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A: We have to find given probability.

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A: Design of experiments

Q: According to Gallup poll, 36% of all college students use an Apple i phone only.  If a sample of 200…

A: 1. Consider that p is population proportion of all college students who use an Apple i phone.

Q: You want to determine the probability that when five consumers are randomly selected, exactly two of…

A: The question is about binomial prob. distribution Given : No. of randomly selected customers ( n ) =…

Q: A magazine reported that 6 percent of all drivers talk on their cell phone while driv If 300 drivers…

A: Given data, p=6% =0.06 n=300 P(0.04<X<0.07)=?

Q: 68% of adults would still consider a car brand despite product/safety recalls. You randomly select…

A:

Q: 45% of Americans don’t know the sun is a star. The data is normally distributed.Find the probability…

A: Given data, p=45%=0.45 n=120 P(p>0.42)=?

Q: According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that…

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Q: A survey of Indiana, PA residents finds that 68% like Bob's Sub, 83% like Culpepper's, and 56% like…

A: Let A be the event that the residents like Bob's Sub and B be the event that residents like…

Q: Based on a​ poll, among adults who regret getting​ tattoos, ​17% say that they were too young when…

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Q: When making random guesses on an 6 question quiz the probability of guessing correctly on any one…

A: Let p be the probability of guess the correct answer p=0.25 n=6  Let X be the number of correct…

Q: Based on a​ poll, among adults who regret getting​ tattoos, 12​% say that they were too young when…

A:

Q: Suppose the probability of purchasing a defective smart phone is 0.04. What is the probability of…

A: Introduction: Denote X as the number of defective smart phones obtained in a purchase of 20 smart…

Q: A real estate agent has 16 properties that she shows. She feels that there is a 50% chance of…

A: Given,n=16p=50%=0.5,m 1-p=1-0.5=0.5Compule the probability of selling less than…

Q: The probability that an individual is​ left-handed is 0.190. In a class of 27 ​students, what is…

A: From the provided information, Sample size (n) = 27 Probability that an individual is left-handed…

Q: A real estate agent has 17 properties that she shows. She feels that there is a 60% chance of…

A: The objective of this question is to find the probability of selling less than 6 properties in one…

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A: The sampling distribution of the mean childhood asthma prevalence  will follow normal distribution…

Q: It has been reported that 48% of people text and drive. A random sample of 60 drivers is drawn. Find…

A: The z-score is calculated by using: Where,

Q: A study indicates that 80% of households have have a dog. You randomly sample 7 households. Find the…

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 real estate agent has 1717 properties that she shows. She feels that there is a 60%60% chance of…

A: Step 1:Since, there is two possible outcomes one is chance of selling any one property during a week…

Q: 200 volunteers at a local kennel were surveyed. It was found that 132 women and 68 men volunteered.…

A: given data  132 women 68 men _______________ 200 total surveyed   of the 132 women 91 liked dogs and…

Q: A healthcare agency reported that 51% of people who had coronary bypass surgery in 2008 were over…

A:

Q: Is the probability of a bowler rolling a strike higher after he has thrown four consecutive strikes?…

A: Bowler After Four strikes After Four Non-strikes 1 0.632 0.421 2 0.684 0.4 3 0.61 0.529…

Q: The number of death due to diabetes and kidney disease for an American during 2015 is respectively…

A: The number of death due to diabetes and kidney disease for an American during 2015 is respectively…

Q: Is the probability of a bowler rolling a strike higher after he has thrown four consecutive strikes?…

A: In this research problem, the researcher wants to test whether the probability of rolling a strike…

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.