private opinion poll is conducted for a politician to determine what proportion of the population favors decriminalizing marijuana possession. How large a sample is needed in order to be 98​% confident that the sample proportion will not differ from the true proportion by more than 5​%?

Q: %. The percentage of women that will be able to find a shoe that fits in this store is

A: According to a human modeling project, the distribution of foot lengths of women is approximately…

Q: between 2000 and 2010, the percentage of fatal automobile accidents due to speeding decreased by 34%…

A: Given that between 2000 and 2010, the percentage of fatal automobile accidents due to speeding…

Q: The average amount of money held by each child in a group of 5 is $0.50.If one of the children loses…

A: Given that: Total number of child = 5Average money held by each child = $0.50

Q: What is the percentage of accuracy if the coefficient of determination egual to 0,56? *

A: Given that the coefficient of determination is 0.56. That is, the percentage of variation in the…

Q: A researcher at a major clinic wishes to estimate the proportion of the adult population of the…

A: Given that, Critical value: Using the z-table, the critical value at 98% confidence level is,

Q: A private opinion poll is conducted for a politician to determine what proportion of the population…

A: Given  Confidence level(CI)= 0.95 Significance level (α)=1-0.95=0.05 Margin of error

Q: Assume that the golfer makes 75 percent of putts when they are less than 10 feet and 30 percent of…

A:

Q: Estimate the difference between the proportion of females and males that are very satisfied from the…

A: Proportion of females that are very satisfied with the rooms =number of females that are very…

Q: Three-fourth of the students in the class have an average lQ of 120 and the rest have an average IQ…

A:

Q: In Grade 1l-Einstein there are 49 students, where there are forty-one female students. Find the…

A: We Know that  Ratio is the quantitative relation between two amounts showing the number of times one…

Q: researchers found that the correlation between the number of pages in novels and the number of hours…

A: In this context, it is given that Researchers found that the correlation between the number of pages…

Q: A coin rushes 10 times. What are the chances of 3 to 6 rounds?

A: The problem explains us that a coin rushes 10 ,now we have to calculate the chances of 3 to 6…

Q: How to estimate the Difference Between Two Means?

A: Suppose we willing to estimate the difference in average of population 1 and population 2, that…

Q: A media personality argues that global temperatures are not Rising because every year and increases…

A: Answer:   The best counter argument is

Q: Poaching refuces a population of animals by 4% per year. When the population of tis animal fals…

A: Let P0 be the current population at time 0. The depreciation rate is -4%. The function that models…

Q: According to the results of a survey, 36% of 617 people indicated that American football is their…

A: The formula for the sample size is as given below: n=p1-pZα2E2 Here, zα/2 is the critical value at…

Q: Cambridge Slim are 38 sausages in the first 23 minutes of a high stakes eating conest. Assuming that…

A: The ratio of 2 numbers is one number divided by the other number. For the ratio to be consistent,…

Q: Suppose the test for Corona is 99% accurate in both directions and 0.3% of the population is Corona…

A: The Accuracy of the test is 99% both ways that means false positive and false negative percentage is…

Q: While examining evidence from a shooting, a ballistics expert informs Detective Bill that a bullet…

A: Definition used – Reduced fraction – To reduce a fraction we divide both the numerator and…

Q: You sampled 13 people and got their pre-diet weight and post-diet weight. If α=.05α=.05, the test…

A:

Q: Assume that the golfer makes 75 percent of putts when they are less than 10 feet and 40 percent of…

A: Given: The percentage of putts when they are less than 10 feet is, P(x<10)=75%=0.75. The…

Q: The last student surveyed was active for 25 minutes. What percent of students were more active than…

A: It is given that Min = 4, Median = 25 and maximum = 86

Q: What is the missing value?

A:

Q: 5. Estimate the value of V13. (Between which two whole numbers?)

A:

Q: . Determine if the girls' average score in an exam is higher than 600. Th

A:

Q: A man weighing 600 kg has been losing 3.12% of his weight each month with some heavy exercises and…

A: To determine the weight of man after 20 months.

Q: Two types of medical devices used for knee replacement are being studied to see if the type of knee…

A: Given, The infection rate for a specific bacterial infection after surgery for device A is 0.0043.…

Q: worth

A: Maximum point of the test = 155 points

Q: Are the input values always smaller than output values?

A: Let us take some examples

Q: According to health statistics taken to observe obesity in men 6 feet or taller: A = 250 pounds is…

A: Note: Thank you for the question. Since multiple questions are posted, we are answering the first…

Q: A media personality argues that global temperatures are not rising because every year and increase…

A: Given margin of error = 0.15 Every year an increase of 0.08 degrees C is reported.

Q: The smallest score in a population is X= 5 and the largest score is X= 10. Based on this…

A: 3. The smallest score of the population is X = 5 and largest score is X = 10. The mean for this data…

Q: stimate the proportion of all households that are very satisfied from the house they are living

A: The given data represents the responses of 50 households on their satisfaction level from the house.

Q: greater than Model B

A: This question is on testing the equality of means.

Q: The mean weight of 150 students in a class is 60 kg. The mean weight of boys in the class is 70 kg.…

A:

Q: According to the results of a survey, 38% of 271 people indicated that American football is their…

A: Given p =0.38, N=271, margin of error = 0.04

Q: The median age at first marriage of US Woman (26.1 years) is what percentage less than the median…

A: We have been given the median age of woman and men and we have to find median age of woman is what…

Q: I have worked the problem. And want to compare the expert's answer with mine

A: We have the following function as We have to determine continuity at (a)x=-1 (b)x=2

Q: The mean daily wage for 9 construction workers is ₱400. How much will one additional daily wage of…

A: Given that The mean daily wage for 9 construction workers is ₱400.  We have to find How much will…

Q: What is the largest possible value

A:

Q: When estimating the population proportion, how large a sample is needed to be 95% confident that the…

A: Here  sample proportion = 42/120= 0.35

Q: A pharmacist estimates that a chemotherapy drug produces a 75% improvement in lung cancer patients.…

A: Solution

Q: Insurance companies are interested in knowing the population proportion of drivers who always buckle…

A: From the EXCEL output, the critical value of z at the 95% confidence level is 1.96.

Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

A:

Q: The educational impact is a criterion for measuring the extent to which the individual applies it in…

A: True

Q: The median annual income for workers aged 25 or older in the United States in 2014 was $48372 for an…

A: Given Data The annual income for an associate’s degree is: A=$48372 The annual income for a…

Q: In 2015, the median age at first marriage of U.S. women (27.1years) was_______ percentage less than…

A: Solution: We are given that in 2015, the median age at first marriage of U.S. women is 27.1 yearsThe…

Q: The table below gives the amount of time students in a class studied for a test and their test…

A: Given information: The data represents the values of the independent variable X = Hours studied and…

Q: Recently, an analyst in a company's marketing department surveyed customers regarding how often they…

A: Non-sampling error: In a survey, the error that are unrelated to sampling is called non-sampling…