08/03/22

Polynomial and Rational Expressions
Simplify the expressionx^2 - 10x + 21 / x^3 - 13x^2 + 42x
Follows • 1
Expert Answers •2

07/20/22

Hess law calculation
Given the following equations calculati\e the enthalpy
Follows • 1
Expert Answers •1

07/01/22

Find CE. ...................
https://indianaonline.instructure.com/courses/1726/files/1168420/preview
Follows • 2
Expert Answers •1

06/25/22

Statistic question
Assume that adults have IQ scores that are normally distributed with a mean of 98.9 and a standard deviation. Find the first quartile 22.9, which is the IQ score separating the bottom​ 25% from the... more
Follows • 1
Expert Answers •1

06/16/22

math 146 I need help
A population of values has a normal distribution with μ=155.5μ=155.5 and σ=9.8σ=9.8. You intend to draw a random sample of size n=173n=173.Find P61, which is the score separating the bottom 61%... more
Follows • 1
Expert Answers •2

05/04/22

A sample size of three is drawn from the set 5, 6,8,12 and 20.
A. How many possible samples can be drawn?B. Construct the sampling distribution of sample means.C. Solve the variance and the standard deviation of the sampling, distribution of the sample means.
Follows • 1
Expert Answers •1

04/07/22

An apple a day.
 An apple a day: A supermarket sells apples in bags labeled as weighing 10 pounds A sample of 50 bags: had a mean weight of 10.3 pounds with standard deviation of 0.1 pound. Someone wants to know... more
Follows • 1
Expert Answers •2

04/06/22

Based on a sample of 800 people, 26% owned cats. The p-value is?
Follows • 1
Expert Answers •1

03/06/22

The life expectancy of a particular brand of tire is normally distributed...
The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles.Refer to Exhibit 6-6. What is the probability that a randomly... more
Follows • 1
Expert Answers •1

02/13/22

 a.      What is the mean number of sales? b.     What is the standard deviation of number of sales? c.      Complete the table below.
1.      The probability that a person buys a car from a particular dealership after a test-drive is 25%. From a sample of 100 people that took a test-drive, a.      What is the mean number of... more
Follows • 1
Expert Answers •1

02/13/22

a.      Bar Graph b.     Line graph c.      Histogram d.     Pareto chart e.      Pivot chart
2     Using the data from problem 1, make at least one of each of the following charts and tables. Make sure to make your charts with useful information, visually appealing, easy to understand and... more
Follows • 1
Expert Answers •1

02/04/22

He gathers the following sample:13,15,13,16,14,20,15,20,21,14,17,18,19,12,14,18,,13 . appropriate graphical representation and describe the distribution of number of pieces of cereal on the floor.
Follows • 1
Expert Answers •1

12/15/21

Si r = 0.8, la proportion de la variabilité de Y qui n'est pas expliquée par X est
a) 0,20b) 0,80c) 0,64d) 0,36
Follows • 1
Expert Answers •1

12/06/21

A researcher wants to find an 80% confidence interval for the mean commute time for CBC students.

From similar studies at other community colleges, the researcher estimates the standard deviation of the study will be around s = 17.5 minutes. If they want the maximum error to be 4 minutes,... more
Follows • 1
Expert Answers •1

11/30/21

Normal distribution

In a weightlifting championship that takes the form of a normal distribution with a mean of 265 and a standard deviation of 45, if an athlete wants to be in the top five of the distribution, what... more
Follows • 3
Expert Answers •1

10/30/21

Stats question, please explain and answer.

At the Olympic level of competition, even the smallest factors can make the difference between winning and losing. For example, Pelton (1983) has shown that Olympic marksmen shoot much better if... more
Follows • 1
Expert Answers •1

10/24/21

A student takes an exam containing 14 multiple-choice questions. Each question has 4 possible answers. At least 8 correct answers are required to pass. 
A student takes an exam containing 14 multiple-choice questions. Each question has 4 possible answers. At least 8 correct answers are required to pass. a. If a student guesses, what is the... more
Follows • 1
Expert Answers •1

10/18/21

A population consists of the following five values: 9, 9, 15, 22, and 28.
A population consists of the following five values: 9, 9, 15, 22, and 28. a. Not available  b. By listing all samples of size 3, compute the mean of the distribution of the sample mean and the... more
Follows • 1
Expert Answers •1

10/18/21

Complete the probability distribution table. (Report probabilities accurate to 4 decimal places.) Find the mean of this probability distribution. (Appropriate rounding rules apply.)

The Sky Ranch is a supplier of aircraft parts. Included in stock are 6 altimeters that are correctly calibrated and two that are not. Three altimeters are randomly selected without replacement. Let... more
Follows • 1
Expert Answers •1

10/04/21

Which statistics test should I run for my research project?
I have a sample of 15 participants performing a "exercise screen" where 6 different exercises are scored individually. Each participant will then get on a computerized horse that will measure... more
Follows • 1
Expert Answers •1

10/04/21

What Hypothesis Test do I use?
I have a problem where we submit amounts for debit orders internally, we calculate an overall success rate as successful debit order amount divided min(net salary of the client,arrears amount... more
Follows • 1
Expert Answers •2

09/27/21

I need help with algebraic expressions!
One of the problems with my homework that could bring my grade up tremendously is "the total for parking and an admission ticket". I just need someone to help explain how to work algebraic... more
Follows • 1
Expert Answers •1

09/27/21

Statistics question
Test the claim that the mean GPA of night students is smaller than 2.2 at the 0.005 significance level.The null and alternative hypothesis would be:The test is:Based on a sample of 60 people, the... more
Follows • 1
Expert Answers •1

09/12/21

I really need help with this Statistics question ASAP
Use the data below to complete the following calculations. 342, 243, 384, 281, 3∑x=∑x2=(∑x)2=
Follows • 1
Expert Answers •1

07/04/21

Distinguish between sensory receptors and sense organs.
 Distinguish between sensory receptors and sense organs.
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.