Construct a 90​% confidence interval to estimate of the percentage of yellow peas. It was expected that​ 25% of the offspring peas would be yellow. Given that the percentage of offspring yellow peas is not​ 25%, do the results contradict​ expectations? Yes or no

Q: 1) A sample of 532 Peanut Butter M&M's contains 74 yellow candies; write a 95% confidence statement…

A: In this case, the confidence level is 95%. The 95% confidence interval for the proportion/percentage…

Q: A random sample of 25 statistics students was asked: "Have you smoked a cigarette in the past week?"…

A: From the provided information, Sample size (n) = 25 Six students reported smoking within the past…

Q: There are 3000 beads of various colors in a jar. In a sample of 125 beads, 40% were red. Calculate…

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Q: A local news outlet reported that 56% of 600 randomly sampled Kansas residents planned to set off…

A: We have given that,  Sample proportion (p̂) = 56% = 0.56 and sample size (n) = 600 Then,  We will…

Q: A phase three clinical trial for a new medication proposed to treat depression has 1191…

A: It is an important part of statistics. It is widely used.

Q: Suppose that a random sample of 142 graduate-admissions personnel was asked what role scores on…

A: Given : Random sample of 142 graduate-admissions personnel Sample size (n)=142 Let X : No. of…

Q: A class has 420 students. The final examination is optional—taking it can raise, but cannot lower, a…

A: It is given that sample size (n) is 80 and the number of students would take the final examination…

Q: A poll of 827 students at Alpha state college found that 61% of those polled preferred a quarter…

A: It is given that the proportion of the students who preferred a quarter system to a trimester…

Q: A researcher wanted to check whether the percentage of Canadian adults with obesity has decreased in…

A: Number of Canadian adults in 2005= 75 Number of Canadian adults in 2009 = 120   significance level =…

Q: A Gallup Youth Survey in 2001 found that of 501 randomly selected teenagers in the U.S., 271 of them…

A: Given Total number of teenagers selected = 501Number of teenagers said who get along with their…

Q: In a sample of 500 Canadians, 275 say they would rather retire in the US than in Canada. Calculate…

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Q: In a clinical trial, 50 patients who received a new medication are randomly selected. It was found…

A: Solution: Let X be the number of patients suffered serious side effects from this new medication and…

Q: A clinical trial tests a method designed to increase the probability of conceiving a girl. in the…

A: Given information: Number of babies that were born n=340 Number of girls that were born X=289…

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 437 green peas…

A:

Q: sample of 624 applicants to the Durmstrang Institute of Sorcery, 133 were accepted. Construct a 90%…

A: Given that  X=133 , n=624 , p=20%=0.20

Q: In 2010, the National Football league adopted new rules designed to limit head injuries. In a survey…

A: Given info: Here, n=2,096, p-cap=0.58 (=1216/2096) This is an Estimation problem. The method is…

Q: A nutritionist believes that obesity is more prevalent among American adults than it was in the…

A: Hence we are given that; x1=380, n1=1630x2=726, n2=2350 Hence the sample proportions are;…

Q: qualities as options, one of which is "communicator", as the most important quality for an effective…

A: It is given that  Favourable cases, X = 121 Sample size, n = 275 Sample proportion, p^ = X/n…

Q: 324 out of a simple random sample of 400 students hated their online math course. Find a 99%…

A: Given: Number of students that hated the online math course (y) = 324 Number of students (n) = 400…

Q: in a survey of 2230 adults, 57% thinks that land travel through a tourist bus is much more reliable…

A: Given,sample size(n)=2230sample proportion(p^)=0.57α=1-0.95=0.05α2=0.025Z0.025=1.96       (from…

Q: business conducts a random sample of 89 of its customers and find that 44 of them think the company…

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Q: a newspaper article stated that the us supreme court received 812 letters from around the country on…

A: To find the 95% confidence interval for the true proportion of all American adults who feel that…

Q: A recent study showed that among 725 randomly selected subjects who completed 4 years of college,…

A: We have given that,  Favorable cases (X) = 139 and Sample size    (n) = 725 Then,  We will find 95%…

Q: in a survey of 499 randomly selected gun owners, it was found that 62 of them said they owned a gun…

A:

Q: One of Mendel s famous genetic experiments yielded 580 peas with 428 of them green and 152 yellow.…

A: The total number of peas taken for a genetic experiment is 580Number of yellow peas=152Number of…

Q: The researchers found that 53% of the women and 56% of the men believe that the U.S. federal…

A: In order to determine whether the difference between the proportions of women and men who believe…

Q: In a sports poll, 142 of 500 randomly selected Americans indicated that they consider themselves to…

A: Given that, In a sports poll, 142 of 500 randomly selected Americans indicated that they consider…

Q: Of 2019 employees selected randomly at a company, 10% of them commute by carpooling. Construct a 90%…

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Q: A clinical trial tests a method designed to increase the probability of conceiving a girl. In the…

A:

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 425 green peas…

A:

Q: According to a recent study only 34% of adults in the United States could name all three branches of…

A: Given data, p=34%=0.34 n=1750 z-value at 95% confidence is Zc=1.96

Q: A marketing survey involves product recognition in New York and California. Of 679 New Yorkers…

A: given data  n1 = 679    x1 = 256p^1 = x1n1 = 256679 = 0.3370 n2 = 631    x2 = 208 p^2 = x2n2 =…

Q: A study was being done to estimate the proportion of students who receive financial aid. If the…

A:

Q: A pharmaceutical company is testing two distinct drugs to alleviate symptoms of a disease. In the…

A: Given information- Sample 1 - First drug Sample 2 - Second drug

Q: A random sample of 400 people is selected from Atlantic Canada. They are asked about their views on…

A: According to the given information, we have Given that a random sample of 400 people is selected…

Q: f 260 employees selected randomly from one company, 18.46% of them commute by carpooling. Construct…

A: Given data, n=260 p=18.46% =0.1846 z-value at 98% confidence is Zc=2.326

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.