Question

The First National Bank of Wilson has 600 checking account customers. A recent sample of 60 of these customers showed 35 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.

Answer #1

The First National Bank of Wilson has 660 checking account
customers. A recent sample of 60 of these customers showed 35 have
a Visa card with the bank. Construct the 99% 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
and

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.)

The First National Bank of Wilson has 720 checking account
customers. A recent sample of 60 of these customers showed 22 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.)
Confidence interval for the proportion is between and
.

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 660 checking account
customers. A recent sample of 50 of these customers showed 28 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 740 checking account
customers. A recent sample of 50 of these customers showed 27 have
a Visa card with the bank.
Construct the 99% 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.)

Wachovia Bank has 800 checking account customers. A recent
sample of 60 of these showed 35 to have a Visa card with the
bank.
Construct the 99% confidence interval for the proportion of
checking account customers who have a Visa with the bank.
b. What sample size would be needed if you want the estimated
proportion to be within 4% of the population proportion at the 99%
confidence level?
if possible draw distributions?
Thanks in advance

The bank in Cobden, Ontario, has 650 chequing account customers.
A recent sample of 50 of these customers showed 26 to have a Visa
card with the bank.
Construct the 99% confidence interval for the proportion of
chequing account customers who have a Visa card with the bank.
(Round the final answers to 3 decimal places.)
The 99% Confidence interval for the proportion of chequing
account customers is between___and___.

Harrison Company maintains a checking account at the First
National City Bank. The bank provides a bank statement along with
canceled checks on the last day of each month. The July 2018 bank
statement included the following information:
Balance, July 1, 2018
$
56,428
Deposits
180,100
Checks processed
(193,210
)
Service charges
(60
)
NSF checks
(1,500
)
Monthly loan payment deducted
directly by bank from account
(includes $520 in interest)
(3,620
)
Balance, July 31, 2018
$
38,138
The...

Harrison Company
maintains a checking account at the First National City Bank. The
bank provides a bank statement along with canceled checks on the
last day of each month. The July 2018 bank statement included the
following information:
Balance, July 1,
2018
$
56,428
Deposits
180,100
Checks
processed
(193,210
)
Service
charges
(60
)
NSF checks
(1,500
)
Monthly loan
payment deducted directly by bank from account
(includes $520 in interest)
(3,620
)
Balance, July
31, 2018
$
38,138
The...

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