Loa Survey of 900 aduls, 240 Said that they watched the hod Cup final cn T.V. usIng these Scmple Statistics, the margin Con fidence interval for the caiculate of error, for a 90% , E, propation Of Gll Stu dents that watched co t.v. the warld Cup final

Q: Apolster wishes to estimate the proportion of Unted ates voters who lavor capital punishment How…

A:

Q: According to the Distribution of Z table, ______ % of area is below a Z value of -0.50?

A: Using a standard normal table area to the left of z score, look up for z value -0.50 i.e., -0.5 in…

Q: Cancer No Cancer Positive Test Result 41 26 Negative Test Result 11 672   (a) What is the…

A: This question is related to specificity and sensitivity of a diagnostic test result, we will solve…

Q: physicians

A: Number of success = x= 3145 n=5804

Q: A poll found that 78 people out of a survey of size 109 watch at least three hours of TV per day…

A: Given data, n=109 x=78 sample proportion p=?

Q: find the margin of error in estimatingu at the 92% level of confidence.

A:

Q: A Seattle consumer agency believes that plumbers’ rates are too high and wants to estimate the mean…

A: GivenConfidence Interval(c)=95%Margin of Error(E)=3%=0.03Let…

Q: Of 4105 students enrolled in Mineral County public schools (WV) in the academic year 2016-2017,…

A: We have to find type of statistics.

Q: Gorge  gets 83 or 82  as his grades on his three main subjects Constrict a  sampling distribtuon of…

A: Gorge  gets 83 or 82  as his grades on his three main subjects

Q: College officials want to estimate the percentage of students who carry a gun, knife, or other such…

A: a) The confidence level is 93%. Therefore, α = 0.07, α/2=0.035 and 1-α/2=0.965. The margin of error…

Q: A random sample of 2000 driver's license applications found that 17% reported their eye color as…

A:

Q: Pls assist with the difference table probability question.  Thanks

A: We have to find next term.

Q: Tanberr muffins, which are said on the package label to weigh 116 g: x = 104.4 g, s= 4.1497 g,…

A: Given: Smallest weight=98.7 g Largest weight=108 g Average weight=104.4 g Variance of…

Q: ) What is the point estimate for the percent who want to change the town’s name? (b) What is the…

A: We can solve the problem as follows

Q: sing the dotplot and the sample mean mileage, is there convincing evidence that the new type of…

A: It is given that the sample 100 tires lasted on average of 51,500 miles.

Q: The engineering school at a major university claims that 20% of its graduates are women. In a…

A: Given, Given, Sample size= 201 No. of females(x)= 58 Sample portion(p̂)= x/n p̂=58/210=0.276 α= 0.05

Q: Out of 300 people sampled, 153 said they prefer Coke over Pepsi. What is the point estimate for the…

A: Consider that p is population proportion of ALL people that prefer Coke over Pepsi.

Q: 1) In a four-year psychedelic-mushroom experiment, 93 of the 300 subjects reported experiencing…

A:

Q: Provide an appropriate response. When 390 junior college students were surveyed,115 said that they…

A: It was given that 115 out of 390 junior college students have previously owned a motorcycle.

Q: Social network news In 2012, Pew Research noted that34% of young adults age 18 to 24 got some news…

A: It is given that difference in proportion is not significant.

Q: A survey of 100 fatal accidents showed that in 43 cases the driver at fault was inadequately…

A: We have given that , A survey of 100 fatal accidents showed that in 43 cases the driver at fault was…

Q: At the 0.01 level of significance, determine whether die is true (or unifor

A: Test is that whether die is true. It is given that Level of significance = 0.01 Number of times die…

Q: A researcher studying the proportion of 8 year old children who can ride a bike, found that 219…

A: Given: n= 567 ,x= 219.0 Need to find sample proportion.

Q: The middle .975 area of the z distribution is between what 2 numbers?

A: Given that,z distribution is used.Area = 0.975

Q: A survey of 400 non-fatal accidents showed that 189 involved the use of a cell phone. Determine a…

A: Given that, In a survey of 400 non-fatal accidents showed that 189 involved the use of a cell phone.

Q: A large university has 24,000 student a randomly-selected sample of 750 students were surveyed  and…

A: Given that there are 24,000 students out of which a randomly selected sample of 750 students. out of…

Q: In a survey of high school seniors, 72% of those surveyed stated they were planning on attending…

A: Given: Percent of high school seniors stated that they were planning on attending college is = 72%…

Q: In a random survey of 1500 adults in California and 1000 adults in Oregon, you found that 228…

A: Given that

Q: Lisa has entered a 95% condensate interval number (132,144 What is the estimate of the mean

A: Given 95% confidence interval for mean is (132, 144). The estimate of the mean is, Mean=132+1442…

Q: A colonoscopy is a medical procedure used to detect the early signs of colorectal cancer. The…

A: FIND: Find sensitivity and specificity

Q: Out of 147 faculty members at Bellevue University, 13 said they can speak Spanish. Construct and…

A:

Q: A survey of 400O non-fatal accidents showed that 189 involved the use of a cell phone. Determine a…

A:

Q: The mean age for licensed physicians in the United States is 51.5 years. A government official…

A:

Q: Of the minivans surveyed, Honda had the best MPG. Vhich type of statistics are these? Inferential O…

A: Given Statesmen : The above statement is based on some survey . The survey is used to record the…

Q: Lin is working on a scionce axperiment. She wants to dotormine wnether salt water bxoils faster than…

A: Hello. Since you have asked multiple questions, we will solve the first question for you. If you…

Q: According to DATAUSA, the homeownership rate in Wilmington, DE is 60%. A random sample of 25…

A: Given data, n=25 p=60%=0.6 Standard error=?

Q: (d) Use inverse interpolation with cubic interpolation and bisection. Compute the true percent…

A: Part(d): Given, fx=x21+x2fx=0.85 Solving the above by cubic spline we will get,…

Q: A poll found that 70 people out of a survey of size 127 watch at least three hours of TV per day…

A: Given  sample size n = 127 X : Number of people watch tv at least three hour per day X = 70

Q: The duration (in days) of human pregnancies follows approximately the ?(266,16)distribution. What…

A: From the given information,  Consider, X the duration (in days) of human pregnancies follows…

Q: 1) In a survey of 1200 workers, 35% said they eat at home during a typical work week. A) What is the…

A: Let,     n denote the sample size     P denote the population proportion (or some hypothesized…

Q: The recidivism rate for convicted sex offenders is 11%. A warden suspects that this percent is…

A:

Q: The National Center for Health Statistics has found that there is a 0.4196 chance that an American…

A: Complementary probability needed

Q: After 5 points are added to every score in a distribution, the mean is calculated and found to be u…

A: After 5 points are added to every score in a distribution, the mean is calculated and found to be µ…

Q: A study at Harvard found that 44% of their students binge drink.  You are at Princeton doing a…

A: According to the provided information, a study at Harvard found that 44% of their students binge…

Q: A manager for Shopee wants to determine the current percentage of Filipino adults who now use the…

A: The Cochran formula is used to determine the minimum sample size for the estimation of population…

Q: The measure of location which Is highly affected by outllers Is O A. Mean O B. Interquartile range O…

A: Mean is the only measure of central tendency that is always affected by an outlier.  Mean, the…

Q: A statistician changes her level of significance from .001 to .05.  What impact will this change…

A: The hypothesis test, will contain two hypotheses: null hypothesis and alternate hypothesis. The…

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.