Time required to assemble a product

Assignment Help Basic Statistics
Reference no: EM1398200

The times required to assemble a product are normally distributed with a mean of 47.5 minutes and a standard deviation equal to 8.5 minutes. What percent of the assembly workers require: (do not include % symbol)

Reference no: EM1398200

Questions Cloud

Determining binominal distributions : You are appraising the quality of diamonds for your importer. A diamond without a clear center (opaque center) shall be downgraded and sold at discount.
Describe habitat and the range of conditions : Pick one species of living organism each (one plant and animal that you like), and describe their habitat and the range of conditions in which they have adapted to live.
Estimating variance and standard deviation : In a sample of 10 workers, what is the probability that exactly three workers take the public transport daily? [Hint: It is a Binomial Distribution Problem.]
Write strengths and weaknesses of any relationship : Explain the gradual developing of relationship between Polly and Amari. How is each girl Unique? Write down the strengths and weaknesses of each?
Time required to assemble a product : The times required to assemble a product are normally distributed with a mean of 47.5 minutes and a standard deviation equal to 8.5 minutes. What percent of the assembly workers require: (do not include % symbol)
How absence of oxygen stimulate evolution of life on earth : What was the significance of Miller's experiment in solving the macroevolutionary puzzle? How did the absence of oxygen stimulate the evolution of life on Earth?
Application of binonomial distribution : As a quality engineer working on the Rangdo production line, you have determined that the probability of producing a defective part is 6%.
What dna molecules do the two bands in lane 1 represent : After performing a ligation reaction between the DNA fragments and cleaved vector, you analyze the products of the reaction by gel electrophoresis.
Pearson chi-square statistic for testing : Show that Pearson's Chi-square statistic for testing Ho : 1 = 2 when there are k-categories reduces to Z^2 when k = 2, where Z = 2 sqrt(n)(p1-1/2) is the standard Z-test for testing Ho : 1 = 1=2

Reviews

Write a Review

Basic Statistics Questions & Answers

  Reasons for studying statistics

Critically discuss the reasons for studying statistics? Choose five random numbers between 70-100. Calculate the mean, and midrange of these numbers.

  Test the hypothesis-producing the same mean

Use an alpha level of .01 and test the hypothesis that the two methods are producing the same mean.

  The probability that the freshman selected at random

Among 500 freshmen pursuing a business degree at a university, 347 are enrolled in an economics course, 204 are enrolled in a mathematics course, and 160 are enrolled in both an economics and a mathematics course.

  Multiple choice questions based on f-distribution

Multiple choice questions based on F-distribution.

  Null hypothesis of equal mean rates for a type-i error rate

Assume that p-value was 0.07, would you reject null hypothesis of equal mean rates for a Type- I error rate of 5%? (Circle one).

  Result the region of probability using normal curve

Use the continuity correction and describe the region of normal curve that corresponds to the indicated binomial probability. The probability of more than 50 right answers.

  Finding mean-standard deviation and confidence interval

What is the 90% confidence interval estimate of the difference between two population means.

  Set of hypothesis for testing

To find out whether the course is effective in increasing sales, the appropriate set of hypothesis for testing is:

  Types of random sampling

A polling company obtains an alphabetical list of names of voters in a precinct. They select every 20th person from the list until a sample of 100 is obtained.

  Determining variance of the population

We are interested in testing to find out whether the variance of the population is vitally more than 0.003

  Confidence interval for the mean density of quartz

Calculate a 92% confidence interval for the mean density of quartz porphyry, given that 75 samples yield mean of 2.62 grams per cubic centimeter

  Conducting one-way anova

Make sure you include a complete ANOVA summary table. Also, report the appropriate null and research hypotheses and the critical value (alpha = 0.05).

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd