Question: 4. A quality engineer draws a simple random sample of 50 O-rings from a lot of several thousand. She measures the thickness of each and

4. A quality engineer draws a simple random sample of 50 O-rings from a lot of several thousand. She measures the thickness of each and finds that 45 of them, or 90%, meet a certain specification. Which of the following statements is correct? i. The proportion of O-rings in the entire lot that meet the specification is likely to be equal to 90%.

ii. The proportion of O-rings in the entire lot that meet the specification is likely to be close to 90% but is not likely to equal 90%.

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 Statistics For Engineers And Scientists Questions!

Describing Data Once we have collected data from surveys or experiments, we need to summarize and present the data in a way that will be meaningful to the reader. We will begin with graphical...

Business Research Methodology- Question Bank 1 1. When the marketing department of an organization attempts to determine the amount of time the managers in this department spend at their computers in...

Business Research MethodologyQuestion Bank 1 1. When the marketing department of an organization attempts to determine the amount of time the managers in this department spend at their computers in...

10. An experimenter has some degree of control over the: a. independent variable. b. correlative variable. c. history effect. d. All of the above, if the experiment is conducted properly. 11. If a...

Name: E number: Math 1530 section number Question 1 (2.85 points) Eggs that are contaminated with salmonella can cause food poisoning among consumers. A large egg producer takes an SRS of 200 eggs...

In a certain town 60% of the households own mutual funds, 40% own individual stocks, and 20% own both mutual funds and individual stocks. 1. The proportion of households that own mutual funds but not...

Detailed answers needed. 1. Let Xi,.... Xio be a random sample from a normal population with mean / and standard deviation 4. Let X be the sample mean and suppose X = 48. Find a 95% confidence...

nodes, but at least its bias can be quantified by Markov Chain L. INTRODUCTION analysis and thus can be corrected via appropriate re-weighting The popularity of online social networks (OSNs) in...

ID Salary 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 65.1 27 36.1 61.4 46.6 73.3 39.7 23.2 74.6 22.8 23.4 62 40.7 23 24 51.1...

Explain the idea of restorative justice and the possibility of alternatives to incarceration.

For each subspace the dimension. a+b 2a 3a-b -b : a, b in R (a) find a basis, and (b) state

According to the "Financial Institutions" reading, what was the primary innovation that allowed companies with less than investment grade ratings to gain access to credit markets? Question 1 4...

If an individual anticipates the price of a stock falling, how would he go about shorting the stock to capture a profit? How does his short position create a liability?