Jim sears manufactures farm equipment. his work requires, Ask an Expert

Statistics

Jim Sears manufactures farm equipment. His work requires the use of steel bars which must have a mean length of at least 50 inches. The bars can be purchased from a supplier in Kansas City whose bars average only 47 inches with a standard deviation of 12 inches, or from a supplier in Dallas whose bars average 49 inches with a standard deviation of 3.6 inches.

If Sears is to buy 81 bars from Kansas City, what is the probability they will have a mean of at least 50 inches? (Show calculations)

If Sears is to buy 81 bars from Dallas, what is the probability they will have a mean of at least 50 inches? (Show your calculations)

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9370498

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

If all the data values in a population are converted to

If all the data values in a population are converted to? z-scores, the distribution of? z-scores will have what? mean? Choose the correct answer below. A. The mean of the? z-scores will be zero. B. The mean of the? z-sco ...

A coin is randomly picked from a collection of 10 coins the

A coin is randomly picked from a collection of 10 coins, the ith coin having a probabiliity i/10 of coming up heads. The coin in then flipped repeatedly until a head appears. Let X be the number of flips necessary. Find ...

How do you calculate conditional probability for behaviors

How do you calculate conditional probability for behaviors in applied behavior analysis?

If a wooden car has 30 independent components that all must

If a wooden car has 30 independent components that all must function for the wooden car to operate successfully during a race, and the probability of successful operation for any single component is 0.999, what is the pr ...

Out ofnbsp350nbspapplicants for a jobnbsp158nbspare female

Out of 350 applicants for a job, 158 are female and 66 are female and have a graduate degree. Step 1 of 2: What is the probability that a randomly chosen applicant has a graduate degree, given that they are female? Expr ...

At station a the egg hatch rate computed from a set of 100

At station A, the egg hatch rate (computed from a set of 100 eggs at a time) is known to follow approximately a normal distribution with mean 62% and standard deviation 5%. At station B, the egg hatch rates are known to ...

A company designs a new laptop computer and wants to

A company designs a new laptop computer and wants to investigate customers' preferences with respect to three select laptop features. The features are Price (High vs. low) Processor Speed (Low vs. medium vs. high) Weight ...

I using the central limit theorem what is the distribution

I. Using the central limit theorem, what is the distribution of sample means when the population distribution is the following? PART (A) rectangular (a) positively skewed (b) uniformly distributed (c) normally distribute ...

A lot contains 15 items and 6 are defective if two items

A lot contains 15 items and 6 are defective. If two items are drawn at random from the lot, without replacement, what is the probability there is exactly one non-defective? (Hint: You have to use both Multiplication and ...

A sample of 184 randomly selected students found that the

A sample of 184 randomly selected students, found that the proportion of students planning to travel home for Thanksgiving is 0.69. What is the standard deviation of the sampling deviation?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert