# 40. The Screw Right Company claims their 34 inch screws are within ±0.23 of the claimed mean diameter of 0.750

###### Question:

40. The Screw Right Company claims their 34 inch screws are within ±0.23 of the claimed mean diameter of 0.750 inches with a standard deviation of 0.115 inches. The following data were recorded. 0.757 0.723 0.754 0.737 0.757 0.741 0.722 0.741 0.743 0.742 0.740 0.758 0.724 0.739 0.736 0.735 0.760 0.750 0.759 0.754 0.744 0.758 0.765 0.756 0.738 0.742 0.758 0.757 0.724 0.757 0.744 0.738 0.763 0.756 0.760 0.768 0.761 0.742 0.734 0.754 0.758 0.735 0.740 0.743 0.737 0.737 0.725 0.761 0.758 0.756

The screws were randomly selected from the local home repair store.

a. What is the mean diameter for the sample? Round answer to 3 decimal places (i.e. 0.123) _________Answer

b. What is the standard deviation for the sample? Round answer to 3 decimal places (i.e. 0.123) ___________Answer

c. Find the probability that 50 randomly selected screws will be within the stated tolerance levels. Round answer to 3 decimal places (i.e. 0.123) _________Answer

#### Similar Solved Questions

##### Problem 3 The following information is given: forecast annual rate of inflation for Canada: 0.30% p.a....
Problem 3 The following information is given: forecast annual rate of inflation for Canada: 0.30% p.a. forecast annual rate of inflation for the US: 0.50% p.a. two-year interest rate Canada: 1.10% p.a. two-year interest rate U.S.: 0.32 % p.a. spot rate: CAD/USD 1.040 forward rate 2 years: CAD/USD 1....
##### Please devise a clinical research PICO question for a 32 month old female with status asthmaticus.
Please devise a clinical research PICO question for a 32 month old female with status asthmaticus....
##### Currently proteinase-activated receptors have been demonstrated to be involved in a number of important disease processes....
Currently proteinase-activated receptors have been demonstrated to be involved in a number of important disease processes. Which of the following disease processes have been implicated? Select one: a. clotting disorders, colitis and glaucoma b. glaucoma, inflammatory bowel disease and atherosclerosi...
##### Need help plz 2 if x < 0 if x = 0 6. Let f(x) 3-...
need help plz 2 if x < 0 if x = 0 6. Let f(x) 3- * if 0<x<2 if x 22 (a) Sketch a graph off. (b) Evaluate: 0 (0) (ii) lim f(x) (iii) lim f(x) (iv) lim f(x) (v) lim f(x) 0 COS X x + 4 7. Use a table of values to estimate the limit lim 8. Evaluate the limit, if it exists. x2 + 4x - 21 x2 + 4x...
##### What is the center of the circle with equation (x + 1)^2 + (y + 3)^2 = 9/4?
What is the center of the circle with equation (x + 1)^2 + (y + 3)^2 = 9/4?...
##### Consider the group D.. Give (at least) five examples of Do acting on a set. For...
Consider the group D.. Give (at least) five examples of Do acting on a set. For each one, explain clearly what the action is, although you do not need to prove that it is a group action....
##### I got the first part, but am stuck on the 2nd! Thanks in advance! A proton...
I got the first part, but am stuck on the 2nd! Thanks in advance! A proton has a magnetic field due to its spin on its axis. The field is similar to that created by a circular current loop 0.646 x10–15 m in radius with a current of 1.05 x104 A. Find the maximum torque on a proton in a 2.53 T f...
##### Use the confidence interval to find the estimated margin of error. Then find the sample mean....
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (4.1.5.3) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is The sample mean is...
##### You put a mirror at the bottom of a 1.8-m-deep pool. A laser beam enters the...
You put a mirror at the bottom of a 1.8-m-deep pool. A laser beam enters the water at 26° relative to the normal, hits the mirror, reflects, and comes back out of the water. Part A How far from the water entry point will the beam come out of the water? Express your answer with the appropriate un...
##### According to the WHO there are two major types of skin reactions associated with hand hygiene....
According to the WHO there are two major types of skin reactions associated with hand hygiene. The first and most common type includes symptoms that can vary from quite mild to debilitating, including dryness, irritation, itching, and even cracking and bleeding. This array of symptoms is referred to...