Question: A random sample of 121 observations produced a sample proportion of 0.35. An approximate 95% confidence interval for the population proportion p is between a)

A random sample of 121 observations produced a sample proportion of 0.35. An approximate 95% confidence interval for the population proportionpis between

a) 0.265 and 0.421

b)0.307 and 0.393

c)0.265 and 0.435

d)0.245 and 0.455

e)0.279 and 0.421

f)None of the above.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

A random sample of 144 observations produced a sample proportion of 0.25. An approximate 95% confidence interval for the population proportion p is between a) 0.191 and 0.309 b) 0.179 and 0.321 c)...

A random sample of 121 observations produced a sample proportion of 0.3. An approximate 95% confidence interval for the population proportion p is between a) 0.258 and 0.342 b) 0.202 and 0.398 c)...

A random sample of 144 observations produced a sample proportion of 0.4. An approximate 90% confidence interval for the population proportion p is between

\f\fPrint Test 12/8/13 5:02 PM PRINTABLE VERSION Test 3 You scored 50 out of 70 Question 1 Your answer is CORRECT. sh is ar stu ed d vi y re aC s o ou urc rs e eH w er as o. co m A random sample of...

Suppose you wish to estimate a population mean correct to within 0.15 with a confidence level of .90. You do not know 2, but you know that the observations will range in value between 33 and 41...

____!!!!!! A) i) a. In a random sample of 200 observations, we found the proportion of successes to be 48%. Estimate with 95% confidence the population proportion of successes. b. Repeat part (a)...

AP Statistics Unit 12 Inference for Proportions Free Response Directions: Complete the assignment on this paper. Your answers for this assignment must include reasons; simply stating the answer...

1) A random sample of 100 observations produced a mean xbar = 5 and a standard deviation s = 4. Find an approximate 90% confidence interval for the population mean . 2) An article posted by the...

Urgent. thanks 1. Confidence intervals are useful when trying to estimate _______. a. unknown parameters b. known parameters c. unknown statistics d. known statistics 2. The one-sample z statistic is...

Find the center of mass for the triangle with vertices (0, 0), (-4, 2) and (0, 6). Only set up the integral.

A parallel-plate capacitor with a plate area of 2 m2 and a separation of 1.0 mm is charged to 100 V. (a) What is the electric field between the plates? (b) What is the energy per unit volume in the...

Since fine print is itself disclosure of information, how can smart disclosure help: i ) Because fine print information is usually hidden at first glance. ii ) Because smart disclosure can improve...

A company is preparing completing their Cash Budget. The following data has been prepared for cash receipts and payments. January February March Cash receipts $1,061,200 $1,182,400 $1,091,700 Cash...