Out of 300 people sampled, 117 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three places
Q: In a sample of 520 adults, 458 had children. Construct a 90% confidence interval for the true…
A: Solution-: Given: We find 90% C.I. for the true population proportion of adults with children
Q: Out of 300 people sampled, 93 had kids. Based on this, construct a 95% confidence interval for the…
A:
Q: In a sample of 280 adults, 182 had children. Construct a 95% confidence interval for the true…
A:
Q: Out of 200 people sampled, 168 had kids. Based on this, construct a 90% confidence interval for the…
A:
Q: In a sample of 190 adults, 120 had children. Construct a 99% confidence interval for the true…
A: The confidence interval is used to measure the interval range within which the true value of the…
Q: Out of 400 people sampled, 232 had kids. Based on this, construct a 95% confidence interval for the…
A:
Q: The confidence interval at the 95% level of confidence for the true population proportion was…
A: The 95% confidence interval is CI95=(0.665,0.835). We know, that as the level of confidence…
Q: Out of 240 sample students surveyed, 187 students are planning to take classes during the…
A: We have given that the sample size n=240 and favourable cases X=187. Sample proportion p^ = X/n.
Q: In a sample of 200 adults, 174 had children. Construct a 90% confidence interval for the true…
A: Given : Sample Size, n = 200 Number of successes, x = 174 confidence level,c=0.9…
Q: Out of 600 people sampled, 78 had children. Based on this, construct a 90% confidence interval for…
A: a. One of the assumption for constructing confidence interval for population proportion is sample…
Q: Out of 100 people sampled, 6 had kids. Based on this, construct a 95% confidence interval for the…
A: The random variable people with kids follow binomial distribution. The sample size is 100. The…
Q: Out of 300 people sampled, 99 had kids. Based on this, construct a 95% confidence interval for the…
A:
Q: All else equal, an increase in sample size will cause a(n) decrease increase in the size of a…
A: Xbar +/-S.E Where S.E=sigma/square root of n n is sample size
Q: Out of sample of 500 people, 25% exercise daily. What is the confidence interval for the population…
A: Given Information: n=500 p=0.25 q=1-p=1-0.25=0.75α=0.05
Q: Out of 600 people sampled, 312 had kids. Based on this, construct a 95% confidence interval for the…
A: In question, Given that Out of 600 people sampled, 312 had kids. Then we'll construct the 95%…
Q: In a sample of 500 adults, 340 had children. Construct a 99% confidence interval for the true…
A: Proportion is almost similar to the concept of probability. Proportion is a fraction of a population…
Q: Out of 400 people sampled, 100 had kids. Based on this, construct a 90% confidence interval for the…
A: We have given that , Sample of 400 people. Favarable cases = 100 kids. We have to find 90%…
Q: In a random sample of 500 Americans, 25% indicated that they have a cat for a pet. Estimate with 97%…
A:
Q: In a sample of 360 adults, 245 had children. Construct a 99% confidence interval for the true…
A:
Q: When 290 college students are randomly surveyed, it is found that 120 own a car. Find a 99%…
A: Given that, x=120,n=290 The sample proportion is, Critical values: By using the standard normal…
Q: Out of 500 people sampled, 65 had kids. Based on this, construct a 95% confidence interval for the…
A: Obtain the 95% confidence interval for the true population proportion of people with kids. The 95%…
Q: In a sample of 250 adults, 175 had children. Construct a 90% confidence interval for the true…
A:
Q: In a sample of 530 adults, 445 had children. Construct a 99% confidence interval for the true…
A: We have given that, Favorable cases (X) = 445 and sample size (n)=530 Then, We will find the 99%…
Q: Out of 100 people sampled, 22 had kids. Based on this, construct a 90% confidence interval for the…
A: We have given that, Sample size (n) = 100 and favorable cases (X) = 22 Then, We will construct…
Q: Out of 400 people sampled, 200 had kids. Based on this, construct a 99% confidence interval for the…
A: Number of peoples (n) =400 Number of peoples with kids (x) =200 Find z-critical value:…
Q: Out of 100 people sampled, 30 had kids. Based on this, construct a 90% confidence interval for the…
A:
Q: Out of 300 people sampled, 117 had kids. Based on this, construct a 99% confidence interval for the…
A: In question, Given that out of 300 people sampled, 117 had kids then based on this data we'll…
Q: Out of 300 people sampled, 24 had kids. Based on this, construct a 95% confidence interval for the…
A:
Q: Out of 100 people sampled, 44 have lied to a family member in the past month. Based on this,…
A:
Q: Out of 500 people sampled, 120 had kids. Based on this, construct a 99% confidence interval for the…
A:
Q: Out of 300 people sampled, 279 had kids. Based on this, construct a 90% confidence interval for the…
A:
Q: In a sample of 240 adults, 226 had children. Construct a 90% confidence interval for the true…
A: From the provided information, Sample size (n) = 240 From which 226 had children, so sample…
Q: Out of 600 people sampled, 240 have shopped online. Based on this, construct a 90% confidence…
A: Find z-critical value:…
Q: Out of 100 people sampled, 90 have shopped online. Based on this, construct a 90% confidence…
A:
Q: At a traffic stop on a Saturday night 30% of 40 drivers were intoxicated. What is the 99% confidence…
A:
Q: Out of 400 people sampled, 240 had kids. Based on this, construct a 99% confidence interval for the…
A: We have given that Sample size n = 400 , No. of favourable cases X = 240. Sample proportion p^ =…
Q: Out of 600 people sampled, 198 had kids. Based on this, construct a 90% confidence interval for the…
A: Obtain the 90% confidence interval for the true proportion of people with kids The 90% confidence…
Q: Out of 100 people sampled, 54 had kids. Based on this, construct a 90 % confidence interval for the…
A:
Q: Out of 400 people sampled, 92 had kids. Based on this, construct a 90% confidence interval for the…
A: Note: Please repost 2nd question as i can answer only 1 question as per my policy. 1) Given…
Q: In a sample of 480 adults, 384 had children. Construct a 99% confidence interval for the true…
A: The random variable adults with children follow normal distribution. We have to construct 99%…
Q: Out of 600 people sampled, 228 had kids. Based on this, construct a 99% confidence interval for the…
A:
Q: Find a 95% confidence interval for the true population proportion.19)In a survey of 227 adults, 28%…
A:
Q: Out of 100 people sampled, 27 had kids. Based on this, construct a 95% confidence interval for the…
A:
Q: Out of 100 people sampled, 48 had kids. Based on this, construct a 99% confidence interval for the…
A:
Q: Out of 300 people sampled, 135 received flu vaccinations this year. Based on this, construct a 95%…
A: According to the given information, we haveTotal number of people sampled = 300135 received flu…
Q: In a sample of 190 adults, 120 had children. Construct a 99% confidence interval for the true…
A: In question, In sample of 190 adults, 120 had children then we'll find the 99% confidence interval…
Q: Out of 100 people sampled, 34 had kids. Based on this, construct a 99% confidence interval for the…
A: Given data, n=100 x=34 p=x/n =0.34 z-value at 99% confidence is Zc=2.576
Q: Out of 3064 respondants, 919 of them said they have a dog. Using this data, compute a 95% confidence…
A:
Q: Out of 200 people sampled, 170 had kids. Based on this, construct a 95% confidence interval for the…
A: In statistical inference, there are two types of estimation, Point estimation and Interval…
Q: A confidence interval on p is (.356, .418). What are p-hat and the margin of error?
A: Obtain the margin of error. The margin of error is obtained below: Margin of Error: The margin of…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 1 images