Question

two random samples from the same population have sample sizes of n=35 and n=50. Which of...

two random samples from the same population have sample sizes of n=35 and n=50. Which of the following is true for a 95% confidence interval.

A. confidence interval for the sample size n=50 is narrower

b. confidence interval for the sample size n=50 is wider

c. sample size of n=35 has a greater degree of confidence

d. sample size n=50 has a greater degree of confidence

e. all of the above

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
two random samples from the same population have sample sizes of n=35 and n=50. Which of...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Independent random samples were selected from two binomial populations, with sample sizes and the number of...

    Independent random samples were selected from two binomial populations, with sample sizes and the number of successes given below. Population 1 2 500 500 120 147 Sample Size Number of Successes Construct a 95% confidence interval for the difference in the population proportions. (Use P, - Pg. Round your answers to four decimal places.) - 1087 to

  • For a given sample size and population standard deviation, which of the following is true when...

    For a given sample size and population standard deviation, which of the following is true when calculating a confidence interval for the population mean? Group of answer choices a. If the confidence level is greater, the interval will be narrower b.If the confidence level is greater, the interval will be wider. c.If the confidence level is greater, the interval width will be unaffected.

  • The numbers of successes and the sample sizes for independent simple random samples from two popu...

    The numbers of successes and the sample sizes for independent simple random samples from two populations are x 1equals32​, n 1equals40​, x 2equals10​, n 2equals20. a. Use the​ two-proportions plus-four​ z-interval procedure to find an​ 95% confidence interval for the difference between the two populations proportions. b. Compare your result with the result of a​ two-proportion z-interval​ procedure, if finding such a confidence interval is appropriate.

  • Two random samples are selected from two independent populations. A summary of the samples sizes, sample...

    Two random samples are selected from two independent populations. A summary of the samples sizes, sample means, and sample standard deviations is given below: n1=51, n2=46, x¯1=57.8, x¯2=75.3, s1=5.2 s2=11 Find a 94.5% confidence interval for the difference μ1−μ2μ1−μ2 of the means, assuming equal population variances. Confidence Interval =

  • Question 5. A random sample of 50 bottles of a brand of cough syrup is selected, and the alcohol content of each bottle...

    Question 5. A random sample of 50 bottles of a brand of cough syrup is selected, and the alcohol content of each bottle is measured. Let μ be the mean alcohol content for the population of all bottles of the brand under consideration. The 95% confidence interval estimated from the data is (7.8 μ 9.4). (a) would a 90% confidence interval calculated from the same sample be wider or narrower? Explain. (b) Consider the statement: there is a 95% chance...

  • Independent random samples were selected from two quantitative populations, with sample sizes, means, and variances given...

    Independent random samples were selected from two quantitative populations, with sample sizes, means, and variances given below. Population 1 2 Sample Size 39 44 Sample Mean 9.3 7.3 Sample Variance 8.5 14.82 Construct a 90% confidence interval for the difference in the population means. (Use μ1 − μ2. Round your answers to two decimal places.) __________ to ____________ Construct a 99% confidence interval for the difference in the population means. (Round your answers to two decimal places.) __________ to _____________

  • Two random samples are selected from two independent populations. A summary of the samples sizes, sample...

    Two random samples are selected from two independent populations. A summary of the samples sizes, sample means, and sample standard deviations is given below: n1= 37 n2=44 x-bar1= 58.6 x-bar2= 73.8 s1=5.4 s2=10.6 Find a 97% confidence interval for the difference μ1−μ2μ1−μ2 of the means, assuming equal population variances.

  • A random sample of 175 items is drawn from a population whose standard deviation is known...

    A random sample of 175 items is drawn from a population whose standard deviation is known to be σ = 50. The sample mean is x¯x¯ = 920. (a) Construct an interval estimate for μ with 95 percent confidence. (Round your answers to 1 decimal place.)   The 95% confidence interval is from  to (b) Construct an interval estimate for μ with 95 percent confidence, assuming that σ = 100. (Round your answers to 1 decimal place.)   The 95% confidence interval is...

  • 2. Suppose that a random sample of 41 state college students is asked to measure the...

    2. Suppose that a random sample of 41 state college students is asked to measure the length of their right foot in centimeters. A 90% confidence interval for the mean foot length for students at this university turns out to be (21.709, 25.091). If we now calculated a 95% confidence interval, would the new confidence interval be wider than or narrower than or the same as the original? b. Suppose two researchers want to estimate the proportion of American college...

  • a) Suppose you collect a SRS of size n from a population and from the data...

    a) Suppose you collect a SRS of size n from a population and from the data collected you computed a 95% confidence interval for the mean of the population. Which of the following would produce a new confidence interval with larger width (larger margin of error) based on these same data? A. Use a larger confidence level. B. Use a smaller confidence level. C. Nothing can guarantee absolutely that you will get a larger interval. One can only say the...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT