The First National Bank of Wilson has 660 checking account customers. A recent sample of 40...

Question

Question

The First National Bank of Wilson has 660 checking account customers. A recent sample of 40...

The First National Bank of Wilson has 660 checking account customers. A recent sample of 40 of these customers showed 36 have a Visa card with the bank.

Construct the 98% confidence interval for the proportion of checking account customers who have a Visa card with the bank. (Use z Distribution Table.) (Round your answers to 3 decimal places.)

The confidence interval for the proportion is between _______ and .________

math Statistics-And-Probability

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

The statistic software output for this problem is:

One sample proportion summary confidence interval: p Proportion of successes Method: Standard-Wald 98% Confidence interval re

The confidence interval for the proportion is between :

(0.790 , 1.010)

Add a comment

Answer 2

Similar Homework Help Questions

The First National Bank of Wilson has 680 checking account customers. A recent sample of 40...

The First National Bank of Wilson has 680 checking account customers. A recent sample of 40 of these customers showed 27 have a Visa card with the bank. Construct the 90% confidence interval for the proportion of checking account customers who have a Visa card with the bank. (Use z Distribution Table.) (Round your answers to 3 decimal places.)
The First National Bank of Wilson has 640 checking account customers. A recent sample of 60...

The First National Bank of Wilson has 640 checking account customers. A recent sample of 60 of these customers showed 23 have a Visa card with the bank. Construct the 98% confidence interval for the proportion of checking account customers who have a Visa card with the bank. (Use z Distribution Table.) (Round your answers to 3 decimal places.)
The First National Bank of Wilson has 700 checking account customers. A recent sample of 50...

The First National Bank of Wilson has 700 checking account customers. A recent sample of 50 of these customers showed 29 have a Visa card with the bank. Construct the 95% confidence interval for the proportion of checking account customers who have a Visa card with the bank. (Use z Distribution Table.) (Round your answers to 3 decimal places.) Confidence interval for the proportion is between

The First National Bank of Wilson has 680 checking account customers. A recent sample of 60...

The First National Bank of Wilson has 680 checking account customers. A recent sample of 60 of these customers showed 21 have a Visa card with the bank. Construct the 90% confidence interval for the proportion of checking account customers who have a Visa card with the bank. (Use z Distribution Table.) (Round your answers to 3 decimal places.)
Patty, a branch manager of a bank, would like a quick estimate of the mean checking account balance of all checking account customers. A random sample of checking 32 account balances results in a sample mean of $312,590.50 and a standard deviation of $52,

Patty, a branch manager of a bank, would like a quick estimate of the mean checking account balance of all checking account customers. A random sample of checking 32 account balances results in a sample mean of $312,590.50 and a standard deviation of $52,100. Calculate and interpret a 95% confidence interval for the mean checking account balance. Round off all answers to two decimal places with complete solutions.
An analyst for a large national credit union wishes to estimate the mean checking account at...

An analyst for a large national credit union wishes to estimate the mean checking account at the institution. He selected a random sample of 40 accounts and used the data to calculate the following 90% confidence interval for the mean checking account balance at the institution: $2183 < u < $3828. Interpret this confidence interval. If we took random samples of checking accounts at this credit union, about nine out of ten of them would produce this confidence interval. We...

FREQUENCY TABLES, FREQUENCY DISTRIBUTIONS, AND GRAPHIC PRESENTATION 47 40. FILE Midland National Bank selected a sample...

FREQUENCY TABLES, FREQUENCY DISTRIBUTIONS, AND GRAPHIC PRESENTATION 47 40. FILE Midland National Bank selected a sample of 40 student checking accounts. Below are their end-of-the-month balances. $404 $74 $234 $149 $279 $215 $123 $55 $43 $321 87 234 68 489 57 185 141 758 72 863 703 125 350 440 37 252 27 521 302 127 968 712 503 327 489 608 358 303 203 425 a. Tally the data into a frequency distribution using $100 as a class interval...
Suppose that a simple random sample of 121 people finds that 40 eat chocolate every day....

Suppose that a simple random sample of 121 people finds that 40 eat chocolate every day. Use this information to answer the following. A)What is the sample proportion for people who each chocolate every day? B)Do we have what we need to compute a confidence interval? Be sure to include your reasoning for full credit. C)Find the lower bound for a 98% confidence interval of the true proportion of people who eat chocolate daily, accurate to 3 decimal places. D)Find...
Suppose you have a sample size of 36 with a mean 79 and a population standard...

Suppose you have a sample size of 36 with a mean 79 and a population standard deviation of 8. Based on this, construct a 99% confidence interval for the true population mean. As in the reading, in your calculations: --Use z = 1.645 for a 90% confidence interval --Use z = 2 for a 95% confidence interval --Use z = 2.576 for a 99% confidence interval. Give your answers as decimals, to two places [ , ] A group of...

please ignore the work it is incorrect 4. The Peacock Electric Company thinks that 40% of...

please ignore the work it is incorrect 4. The Peacock Electric Company thinks that 40% of their customers would be interested in bundling solar power purchasing with their electric bill. A random sample of 400 households reveals that 110 of the households are interested in this. What is the critical value for 98% confidence level? O.990Y or O.99 o Not a. I-AS G. b. Construct a 98% confidence interval for the true proportion of households interested in bundling solar with...

The First National Bank of Wilson has 660 checking account customers. A recent sample of 40...

Homework Answers

Add Answer to:
The First National Bank of Wilson has 660 checking account customers. A recent sample of 40...

Post as a guest

Earn Coins

The First National Bank of Wilson has 680 checking account customers. A recent sample of 40...

The First National Bank of Wilson has 640 checking account customers. A recent sample of 60...

The First National Bank of Wilson has 700 checking account customers. A recent sample of 50...

The First National Bank of Wilson has 680 checking account customers. A recent sample of 60...

Patty, a branch manager of a bank, would like a quick estimate of the mean checking account balance of all checking account customers. A random sample of checking 32 account balances results in a sample mean of $312,590.50 and a standard deviation of $52,

An analyst for a large national credit union wishes to estimate the mean checking account at...

FREQUENCY TABLES, FREQUENCY DISTRIBUTIONS, AND GRAPHIC PRESENTATION 47 40. FILE Midland National Bank selected a sample...

Suppose that a simple random sample of 121 people finds that 40 eat chocolate every day....

Suppose you have a sample size of 36 with a mean 79 and a population standard...

please ignore the work it is incorrect 4. The Peacock Electric Company thinks that 40% of...

The First National Bank of Wilson has 660 checking account customers. A recent sample of 40...

Homework Answers

Add Answer to: The First National Bank of Wilson has 660 checking account customers. A recent sample of 40...

Post as a guest

Earn Coins

Add Answer to:
The First National Bank of Wilson has 660 checking account customers. A recent sample of 40...