In April 2010, the Gallup Poll asked a random sample of 1327 adults, "Do you support the- Affordable Care Act?" Find the margin of error in this case. Answer in percents using one decimal place Remember, margin of error is equal to one divided by the square root of the sample size.

Q: Time (t hours) 2 <t < 3 3 <t < 3.5 3.5 <t < 4 Frequency 1200 4 <t< 4.5 800 4.5 <t < 6 1440 3. 5 Time…

A:

Q: b) Rachel received the following scores on the midterm and final examinations in his introductory…

A: The normal distribution is the bell shaped distribution which is centred at the mean. This is also…

Q: Class Interval 0-9 10 - 19 20-29 30-39 40 - 49 64857 n = <CF

A: Given data is Class Frequency(fi) 0 - 9 6 10 - 19 4 20 - 29 8 30 - 39 5 40 - 49 7

Q: What's the median of 10.2,12.6,20.4, and 13.6 to 3 decimal places

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

Q: What percentage of the shoppers have an email account

A: In the question it is asked to calculate the percentage of shoppers that have an email account.

Q: A random sample of 2,000 driver's license applications found that 17% reported their eye color as…

A: Solution: Given information: n= 2000 Sample size  p^= 0.17 Sample proportion Assumed Confidence…

Q: One day, a poll appeared on a certain website. It asked "Do you believe that rain can soothe the…

A:

Q: Biologists studying horseshoe crabs want to estimate the percent of crabs in a certain area that are…

A: According to the provided data, a biologist wants to estimate the percent of crabs in a certain area…

Q: You are given the sample mean and the population standard deviation. Use this information to…

A: Since we know population standard deviation, use z-distribution to find z-critical value. Find…

Q: 12. Mr. Hamilton's class is going to an amusement park. The table shows the heights of the students.…

A: 4 feet = 48 inches so all the students above and 48 inches are allowed thus find the percentage by…

Q: What percent of women fall between 64 inches and 77 inches?

A: The objective of this question is to find out the percentage of women who fall between 64 inches and…

Q: accurate way to estimate 24% of 86

A: In this question, the concept of percentage is applied. Percent A part or amount in every hundred is…

Q: Fear of the dark is quite common among children. However, what about adults? One polling agency…

A: We have given that n = 452 p = 34% = 0.34 When no confidence level given then by default we assume…

Q: What percentage of scores are between scores 75 and 89?

A: By emperical rule  P(-1&lt;Z&lt;1)= 0.68 P(-2&lt;Z&lt;2)=0.95 P(-3&lt;Z&lt;3)= 0.

Q: According to a recent reporting on a standardized test, the average math score for students in a…

A: given data, normal distribution μ=554σ=96here we have to find out the  probabilities for the given…

Q: Statistics jobwant workstatus age tv gpa Valid 134 133 133 132 134 Missing 1 1 Mean 23.29 3.88 2.50…

A: Given info: From the given SPSS output, the number of hours participants watch television in a…

Q: c) Test whether the mean tax rate for females differs from that of males at the a = 0.01 level of…

A:

Q: The mean IQ is 100 and the standard deviation is 15. What percentage of people fall between the IQs…

A: given  data, μ=100σ=15we have to find out the percentage of people

Q: hich is the most accurate way to estimate 32% of 79

A: To determine which is the most accurate way to estimate 32% of 79.

Q: Round the point estimate to the nearest thousandth. 445 randomly selected light bulbs were tested…

A: Given, No of light bulbs tested n = 445 No of light bulbs last more than 500 hours x = 316

Q: 136 students at a college were asked whether they had completed their required English 101 course,…

A: The total no.of college students is, n = 136 The no.of students who have completed their required…

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: a rate compares two numbers from different categories true or false

A: A rate is a ratio that compares two different quantities that have different units of measure. A…

Q: One day, a poll appeared on a certain website. It asked "Do you believe that rain can soothe the…

A: Given Data: n=581 p^=0.31   Assuming significance level of 0.05 Using z-distribution z0.05/2=1.96

Q: attached a picture! the 95% margin one!

A:

Q: What is the percentage of deaths that occurred in 2011?

A: We have given that the total number of fatal motor vehicle traffic crashes in the United States for…

Q: A parent comes to you and asks the difference between percent correct and the national percentile…

A: Concept: Percentage in simple terms can be difined as a number that is out of 100. Maximum marks are…

Q: One day, a poll appeared on a certain website. It asked "Do you believe that rain can soothe the…

A: Given, n=389p=0.52 Since sample size is large, therefore Normal distribution can be approximated.…

Q: Fear of the dark is quite common among children. However, what about adults? One polling agency…

A: Solution: Given information: n= 723 Sample size p^=0.42 Sample proportion Confidence level is not…

Q: e best estimate for the percent of americans who is hiv negative.

A: Given: The fraction of hiv positive is given as ==111000.

Q: Empirical Rule Name Date 500 freshmen at Crescent High School took an algebra test. The scores were…

A:

Q: is it probable that the population proportion who most admire hillary Clinton is 24% or greater?…

A: The objective of this question is to determine the probability that the population proportion who…

Q: One day, a poll appeared on a certain website. It asked "Do you believe that rain can soothe the…

A: From the provided information, Sample size (n) = 585 Sample proportion (p̂) = 0.48

Q: One day, a poll appeared on a certain website. It asked "Do you believe that rain can soothe the…

A: From the provided information, the followings are interpreted: The no. of sampled individuals,…