A survey on 200 Senior High School Learners on how much time they read per week has a confidence interval of 13.5, 17.9 in hours at 95% confidence level. Answer the following question: What is the average time they read per week?

A survey on 200 Senior High School Learners on how much time they read per week has a confidence interval of 13.5, 17.9 in hours at 95% confidence level. Answer the following question: What is the average time they read per week?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Related questions

Q: In a survey, 16 people were asked how much they spent on their child's last birthday gift. The…

A: Given that : n=16 Standard deviation =$13 Mean = $49 We have to calculate 99% Confidence level :

Q: In a survey, 30 people were asked how much they spent on their child's last birthday gift. The…

A: Solution:

Q: A survey of 540 depressed shoppers found at 32% of them shop on impulse. What is the 99% confidence…

A: Given : Sample Size, n = 540 confidence level,c=0.99 Significance level, α…

Q: In a survey, 10 people were asked how much they spent on their child's last birthday gift. The…

A: Here we need to construct an 80% CI for the mean amount of money spent on child's last birthday…

Q: In a survey, 28 people were asked how much they spent on their child's last birthday gift. The…

Q: A survey was constructed that asked 1017 people how many books they had read in the past year.…

A: The following information has been given: The sample size is n=1017. The sample mean is x¯=10.5. The…

Q: In a survey, 12 people were asked how much they spent on their child's last birthday gift. The…

Q: According to a Harris Interactive survey of 2401 adults conducted in April 2009, 25% of adults do…

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

A: It is given that, x is 311 and n is 400.

Q: In a survey, 20 people were asked how much they spent on their child's last birthday gift. The…

A: The random variable X is the amount people spent on their child's last birthday gift The sample size…

Q: confidence interval

Q: A recent survey showed that among 850 randomly selected subjects who completed 4 years of college,…

A: I'm providing the solution below please do refer it and let me know if you have any queries…

Q: sample of 97 psychology graduates found an average salary of $71 K/year. Assume ?=$14 K/year. Find…

A: Given Z score 90% confidence interval=1.645 Sigma=14 n=97

Q: Using the 99% level of confidence, what is the confidence interval for proportion of students…

A: Let X be the random variable such number of students attending home football games. X = 750 N: Total…

Q: Suppose a random sample of 142 graduates admissions officers were asked what role scores on…

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of population…

Q: In a survey of 1005 adults 526 stated construct a 95% confidence interval

Q: The General Social Survey asked 1294 people whether they performed any volunteer work during the…

Q: a recent study of 100 people in Burlingame found that 19 were obese. Find the 90% confidence…

Q: survey, 20 people were asked how much they spent on their child's last birthday gift. The results…

A: Given that Sample size (n) = 20 The results are normally distributed. (Bell shaped) Sample Mean…

Q: What is the value of Z for this confidence interval?

A: Given,sample size(n)=14795no.of people who said yes=2219no.of people who said no =12576

Q: In a survey, 23 people were asked how much they spent on their child's last birthday gift. The…

A: Using excel formula “=T.INV(1-(0.2/2),22)”, the critical value of 80% confidence level is 1.321.

Q: A random sample of high school students is used to estimate the mean time all high school students…

A: Solution: From the given information, a 99% confidence interval is 1.7 hours to 3.1 hours.

Q: In a survey, 24 people were asked how much they spent on their child's last birthday gift. The…

A: From the available information, Sample size, n =24 Sample mean, x = 31 Sample standard deviation, s…

Q: In a survey, 21 people were asked how much they spent on their child's last birthday gift. The…

A: A confidence interval is an interval that is used to estimate the unknown parameter. The lowest…

Q: In a survey of 3235 adults 1499 say they have started paying bills online in the last year. A 99%…

A: Solution: Let X be the number of adults say they have started paying bills online in the last year…

Q: A survey of 20 people asked, “If you’ve ever been married, how old were you when you were first…

Q: A survey of 300 women shoppers found that 17% of them shop on impulse. What is the 80% confidence…

A: From the provided information,A survey of 300 women shoppers found that 17% of them shop on impulse.…

Q: A surprising number of young adults (ages 19 to 25) still live in their parents' homes. A random…

Q: In a survey, 23 people were asked how much they spent on their child's last birthday gift. The…

A: Sample mean = x̅ = 46 Sample size = n = 23 Sample S.D = s = 12 Standard Error = s/√n = 12/√23…

Q: In a survey, 18 people were asked how much they spent on their child's last birthday gift. The…

A: According to the provided information, Mean = 34 Standard deviation = 12 Significance level = 90%…

Q: In a survey, 18 people were asked how much they spent on their child's last birthday gift. The…

Q: In a survey, 14 people were asked how much they spent on their child's last birthday gift. The…

A: Given information- Sample size, n = 14 Mean, x-bar = $32 Standard deviation, s = $20 Confidence…

Q: How many pairs of shoes, on average, do female teens have? To find out, an AP®® Statistics class…

A: Confidence Interval CI = [10.9,26.5]

Q: In a survey, 20 people were asked how much they spent on their child's last birthday gift. The…

A: Givensample size(n)=20Mean(x)=50standard deviation(s)=19c=90%

Q: In a survey, 25 people were asked how much they spent on their child's last birthday gift. The…

A: Confidence Interval: In statistics, we can say a range of values of the specified population…

Q: The American Wedding Study provides information related to weddings in the United States. Last year…

A: Given information Sample size n = 2248 Sample mean x̅ = 14 months Population standard deviation = 3…

Q: In a survey, 32 people were asked how much they spent on their child's last birthday gift. The…

Q: survey on 200 Senior High School Learners on how much time they read per week has a confidence…

A: Given data, n=200 Lower limit =13.5 Upper limit =17.9 z-value at 95% confidence is Zc=1.96 What is…

Q: In a survey, 22 people were asked how much they spent on their child's last birthday gift. The…

A: It is given that n=22, x=34 and s=5. At 98% confidence level, the value of z is 2.326.

Q: In a survey, 22 people were asked how much they spent on their child's last birthday gift. The…

Q: Given a confidence interval (0.08, 0.22), what is the margin of error?

A: The confidence interval is (0.08, 0.22).

Concept explainers

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.

Question

A survey on 200 Senior High School Learners on how much time they read per week has a confidence interval of 13.5, 17.9 in hours at 95% confidence level.

Answer the following question:

What is the average time they read per week?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Point Estimation, Limit Theorems, Approximations, and Bounds$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.

Similar questions

In a survey, 17 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $39 and standard deviation of $5. Construct a confidence interval at a 90% confidence level. Give your answers to one decimal place. +
In a survey of 32 students at a local high school, 17 support changing the schools mascot. Find the 90% confidence interval for the true population proportion of students who support changing the schools mascot.
In a survey, 19 people were asked how much they spent on their child's lost birthday gift. The results were roughly bellshaped with a mean of $46 and standard deviation of $8. Construct a confidence Interval at a 99% confidence level Give your answers to one decimal place:
In a survey, 16 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $49 and standard deviation of $13. Construct a confidence interval at a 99% confidence level.Give your answers to one decimal place.
In a recent survey of 1003 students, 977 of them would like to recommend www.helpyourmath.com to their friends. Construct a 90% confidence interval to estimate the proportion of all students who would recommend www.helpyourmath.com to their friends. Give your answers to three decimals: Submit Question
In a survey, 22 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $50 and standard deviation of $8. Construct a confidence interval at a 90% confidence level.Give your answers to one decimal place.
In a survey, 10 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $46 and standard deviation of $8. Construct a confidence interval at a 99% confidence level.Give your answers to one decimal place.
In a survey, 14 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $36 and standard deviation of $16. Construct a confidence interval at a 99% confidence level. Give your answers to one decimal place.
A random sample of high school seniors were asked whether they were applying for college. The resulting confidence interval for the proportion of students applying for college is (0.65,0.69). What is the margin of error?
A survey was conducted that asked 1010 people how many books they had read in the past year, results indicated that bar x = 13.8 books and s=15.8 books. Construct a 95% confidence interval for the mean number of books people read. Round to three decimals
In a article you can read, among other things, that the relative risk of death was 0.70 (95% confidence interval: 0.58- 0.85) for the exposed group compared to the unexposed group. Interpret RR and the confidence interval in your own words.