Question
Asked Nov 9, 2019
1 views

#11.   Compute the following problem using the estimation of proportions tab in Excel. Write your answer in inequality notation, in the p +- e notation and graph the interval.

x= 12

n= 33

c-level: 0.90

check_circle

Expert Answer

Step 1

The formula for the 90% confidence interval for the proportion is given below:

help_outline

Image Transcriptionclose

(p) CI ptZSE

fullscreen
Step 2

The sample proportion can be obtained as follows:

Thus, the sample proportion is 0.36.

help_outline

Image Transcriptionclose

p= n 12 33 0.36

fullscreen
Step 3

The standard error of the propor...

help_outline

Image Transcriptionclose

|Р1-р) SE(p)= 0.36(1-0.36) 33 0.2304 33 = v0.006982 = 0.08 3 55 7

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Math

Statistics

Other

Related Statistics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: I have attached a copy of the question. Please answer section C and D of the question

A: Introduction:The test performed in this case is the one-sample t-test, with a greater than type (one...

question_answer

Q: Today, the waves are crashing onto the beach every 5.3 seconds. The times from when a person arrives...

A: Let X be random variable uniformly distributed between 0 and 5.3 seconds.Denote X as the time from a...

question_answer

Q: Express the confidence interval (70.4%,80.4%) in the form of ˆp±ME

A: It is given that the confidence interval is (70.4%, 80.4%).

question_answer

Q: The average weight of a package of rolled oats is supposed to be at least 18 ounces. A sample of 18 ...

A: Null hypothesis:A statistical hypothesis which is assumed and whose validity is tested for possible ...

question_answer

Q: Question 1A

A: Given age and obesity frequencies. The expected frequencies are calculated by multiplying row total ...

question_answer

Q: Find the area of the shaded region. The graph depicts the standard normal distribution of bone densi...

A: The required area is the right tailed probability of a standard normal distribution greater than –1....

question_answer

Q: Billiard tables have mean degree of balance 0 and standard deviation 1 What is the probability ...

A: It is given that the degree of balance is normally distributed with mean 0 and standard deviation is...

question_answer

Q: The U.S Cenus Bureau reports that the average number of employees in a small business is 16.1. Suppo...

A: The hypotheses are given below:

question_answer

Q: examscores.csv data below 'Student', 'L', 'L/R', 'L/C', 'C'1,7,5,9,172,2,2,12,193,2,3,2,264,6,11,17,...

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any ...