Question

A random sample of 1300 voters in a particular city found 273 voters who voted yes on proposition 200. Find a 95% confidence interval for the true percent of voters in this city who voted yes on proposition 200. Express your results to the nearest hundredth of a percent.

Answer #1

Answer:

n= 1300 , x= 273

c = 95%

formula for confidence inteval is

where Zc is the z critical value for c= 95%

Zc= 1.96

0.18786 < P < 0.23214

convert to percentage by multipling by 100

18.786 < P < 23.214

round to nearest hundredth

18.79 < P < 23.21

**confidence interval for the
true percent of voters in this city who voted yes on proposition
200 is =** **(
18.79 , 23.21
)**

A random sample of 2000 voters in a particular city found 820
voters who voted yes on proposition 200. Find a 95% confidence
interval for the true percent of voters in this city who voted yes
on proposition 200. Express your results to the nearest hundredth
of a percent.

A random sample of 700 voters in a particular city found 266
voters who voted yes on proposition 200. Find a 95% confidence
interval for the true percent of voters in this city who voted yes
on proposition 200. Express your results to the nearest hundredth
of a percent.

HW 25
A random sample of 1300 home owners in a particular city found
143 home owners who had a swimming pool in their backyard. Find a
95% confidence interval for the true percent of home owners in this
city who have a swimming pool in their backyard. Express your
results to the nearest hundredth of a percent. . Answer: ___ to ___
%

A random sample of 1800 car owners in a particular city found
324 car owners who received a speeding ticket this year. Find a 95%
confidence interval for the true percent of car owners in this city
who received a speeding ticket this year. Express your results to
the nearest hundredth of a percent.
Answer:
to %

A random sample of 1900 workers in a particular city found 494
workers who had full health insurance coverage. Find a 95%
confidence interval for the true percent of workers in this city
who have full health insurance coverage. Express your results to
the nearest hundredth of a percent.
Answer: _______ to________ %

A random sample of 1200 car owners in a particular city found
384 car owners who received a speeding ticket this year. Find a 95%
confidence interval for the true percent of car owners in this city
who received a speeding ticket this year. Express your
results to the nearest hundredth of a percent.
Answer: ___________to ___________%

(1 point) A random sample of 800 workers in a particular city
found 296 workers who had full health insurance coverage. Find a
95% confidence interval for the true percent of workers in this
city who have full health insurance coverage. Express your
results to the nearest hundredth of a percent. .
Answer: _______to_________ %

Q1 A random sample of likely voters was asked
whether they would vote for a particular proposition in the next
election. The results for a yes vote were a confidence interval
from 46% to 52%.
Fill in the blank: ____% of the voters surveyed said that they
would vote for the proposition.
Q2
Suppose lengths of pregnancy are normally distributed with a
mean of 270 days and a standard deviation of 15 days.
Using the 68-95-99.7 Rule, approximately what
percentage...

Please show work so I
can understand how to solve thanks
A random sample of 800
adults in Flagstaff found 24 adults who had lost a job in the past
year. Find a 95% confidence interval for the true percent of adults
in Flagstaff who have lost a job in the past year. Express
your results to the nearest hundredth of a percent. .
Answer: to %

1/ The combined math and verbal scores for students taking a
national standardized examination for college admission, is
normally distributed with a mean of 530 and a standard deviation of
160. If a college requires a student to be in the top 35 % of
students taking this test, what is the minimum score that such a
student can obtain and still qualify for admission at the
college?
answer:(round to the nearest integer
2/ A random sample of 1300 registered...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 4 minutes ago

asked 7 minutes ago

asked 8 minutes ago

asked 21 minutes ago

asked 32 minutes ago

asked 34 minutes ago

asked 46 minutes ago

asked 53 minutes ago

asked 57 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago