Average number of billed hours

Assignment Help Basic Statistics
Reference no: EM131087384

In a law office, the average number of billed hours per day was 145 last year. In the first 65 days of this year, the average number of billed hours per week is 152 with a standard deviation of 45 hours. When testing the hypothesis that the average number of billed hours has increased year this year, the test statistic is 1.77. If the critical value is 1.96, what is your conclusion concerning the null hypothesis (show work please)

Reference no: EM131087384

Questions Cloud

Amount of money in two accounts : Mrs. Ming invested an amount of money in two accounts for one year. She invested some at 8% interest and the rest at 6% interest. Her total amount invested was $1500.
Applications relating to levels of measurement : Explain the various methodologies and applications relating to levels of measurement, central tendency, dispersion, and other key statistical metrics.
Compare & swap object, but also eliminating the head array : Simplify the non-blocking universal algorithm for consensus objects (Figure 14.28) by using the specific Compare & Swap object, but also eliminating the Head array.
What sample size is required : A market research analyst at Disney World knows that 60 percent of the guests like roller coaster rides. S/he wishes to have an error of no more than 2 percent and to be 90 percent confident about attitudes toward a new roller coaster ride. What s..
Average number of billed hours : In a law office, the average number of billed hours per day was 145 last year. In the first 65 days of this year, the average number of billed hours per week is 152 with a standard deviation of 45 hours.
What are the trade-off s with this method : What are the trade-off s with this method?
What is your first memory of some sort of medical care : What is your earliest memory of being sick? Similarly, what is your first memory of some sort of medical care? Was it positive? Looking back on it from the vantage point of your current knowledge and experience, was your care back then good and ad..
Standard deviation of the number : The probability that the pro shop sells 36 dozen balls is 0.59; otherwise, the pro shop sells 21 dozen balls. What is the standard deviation of the number of balls the pro shop sells in a month? (please round your answer to 2 decimal places)
Number of defective batteries in a randomly : A certain type of flashlight is sold with the four batteries included. A random sample of 150 flashlights is obtained, and the number of defective batteries in each is determined, resulting in the following data

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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