-
1) The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation...
$35.00
Statistics
Answered
-
Cardiovascular Disease Obesity is an important determinant of cardiovascular disease because it directly affects several established cardiovascular...
$12.00
Statistics
Waiting for answer
-
Blood Chemistry In pharmacologic research a variety of clinical chemistry measurements are routinely monitored closely for evidence of side effects...
$10.00
Statistics
Answered
-
Scenario 2: To observe the effect of increasing sensitivity, assume a blood sugar screening level of 130 mg/dl , with (A) sensitivity of 44.3% and...
$35.00
Statistics
Answered
-
men physicians under the age of 35 want to sue your company for discriminatory hiring practices, would they have a strong case based on these numbers?...
$10.00
Statistics
Answered
-
Do runners have lower heart rates, on average? Assume that non runners have an average heart rate of 72 beats per minute. State the null and
$10.00
Statistics
Answered
-
Researchers wanted to know if using a student's own name in a story would affect the child's attention span while reading.
$50.00
Statistics
Answered
-
The mean cost of a flank steak, broccoli, and rice bought at the grocery store is $15. Prices from a sample of 50 restaurants for a comparable meal...
$50.00
Statistics
Waiting for answer
-
Sunshine Air has determined that their no-show rate for passengers booked on a flight is 6%.
$50.00
Statistics
Waiting for answer
-
A teacher was interested in knowing if leadership ability was correlated with attractiveness in third graders.
$50.00
Statistics
Waiting for answer
-
A teacher is interested in knowing if leadership ability was correlated with attractiveness in third graders.
$50.00
Statistics
Waiting for answer
-
To test this claim, a random sample of 100 patients were monitored for one-year and 57 had quite smoking.
$35.00
Statistics
Waiting for answer
-
Please help me understand how to get the 65th percentile with this information Assume that gas mileage for cars is normally distributed with a mean
$35.00
Statistics
Answered
-
Assume that gas mileage for cars is normally distributed with a mean of 23.6 miles per gallon and a standard deviation of 8 miles per gallon.
$10.00
Statistics
Answered
-
Many people claim that they can put a meal on the table in a short period of time.
$20.00
Statistics
Waiting for answer
-
Hello, I am working on a Chi-square test. I have the p-value and the degrees of freedom. I have a t-table and a z-table, however do I need a
$10.00
Statistics
Answered
-
I have a stistics class and we are learning relationships and the correlation and regression of those relationships. The question I am having issues...
$10.00
Statistics
Answered
-
Its a random walk question. Suppose we start from x=0. The probability of moving to the right is 0.4, and the probability of moving to the left is 0....
$15.00
Statistics
Answered
-
44 In each of the following settings, give the values of a and b for the linear transformation xnew = a + bx that expresses the change in units of...
$12.00
Statistics
Waiting for answer
-
You need to estimate the mean number of travel days per year for pharmaceutical sales representatives. The mean of a small pilot study was 150 days,...
$12.00
Statistics
Waiting for answer
-
use these data incidents of reports of underage drinking to perform the following: Dry campus state school: 47,52,27,50 Dry...
$20.00
Statistics
Answered
-
The advertising for a cold remedy claimed that no other cold remedy acted faster.
$20.00
Statistics
Waiting for answer
-
It has been reported that 54% of federal government employees use the US Postal service.
$20.00
Statistics
Answered
-
According to a study done by Nick Wilson of Otago University Wellington, the probability a randomly selected individual will cover his or her mouth
$35.00
Statistics
Waiting for answer
-
A meteorologist was interested in the average speed of a thunderstorm in his area.
$20.00
Statistics
Answered
-
Approximately 10.3% of American high school student drop out of school before graduation. Choose 10 students entering high school at random. Find the...
$10.00
Statistics
Answered
-
I am looking for help with developing a regression model using all predictors in a given data set. The data set has 10 predictors and we need to
$50.00
Statistics
Answered
-
An article estimates, with 90% confidence, that the proportion of elementary school teachers who are female is 82%. The article also specifies a...
$15.00
Statistics
Answered
-
For homework #9 solve and submit solutions to the following problems from Ch. 14 of your textbook:7, 14.11, 14.13, 14.17 (a amp; b), 14.
$10.00
Statistics
Answered
-
A casino game of chance has 38 slots, of which 18 are red, 18 are black, and 2 are green. You end up deciding to bet on red on each of 10 consecutive...
$20.00
Statistics
Answered
-
The results of sampling independent populations:
$10.00
Statistics
Answered
-
1) Suppose that 1% of all people have a particular disease. A test for the disease is 99% accurate.
$12.00
Statistics
Waiting for answer
-
The 90% confidence interval for the difference between two population means extends from 8.00 to 12.
$35.00
Statistics
Answered
-
For $4 you can have a single chance to roll two fair 6-sided dice at the same time. If your roll comes up "doubles" (same face is up on both dice)...
$15.00
Statistics
Answered
-
I got these questions wrong and I was certain I knew the answer. 1) Suppose that 1% of all people have a particular disease.
$35.00
Statistics
Answered
-
Here you will be given an m n matrix A. Your program has to create two bases (both are named B): one - for Col A and one - for m if Col A m , by...
$10.00
Statistics
Answered
-
Can you please help me with this?IHP 340 Module Two Research Journal Guidelines and Rubric Overview: Journal activities in this course are private between you and your instructor. Journals in this cou
$10.00
Statistics
Answered
-
A medical researcher wishes to try three different techniques to lower blood pressure of patients with high blood pressure. The subjects are randomly...
$12.00
Statistics
Waiting for answer
-
Consider selecting one card at a time from a 52-card deck. What is the probability that the first card is a diamond and the second card is also a
$15.00
Statistics
Waiting for answer
-
A business man needs to visit clients in 7 different cities. (a) How many different routes can he take?
$50.00
Statistics
Waiting for answer
-
An economist uses the price of a gallon of milk as a measure of inflation. She finds that the average price is $3.50 per gallon and the population...
$20.00
Statistics
Answered
-
in a study of 290 6902 cellphone users it was found that 63 developer cancer of the brain or nervous system assuming that sell phones have no effect...
$50.00
Statistics
Answered
-
Heights of men on a baseball team have a bell-shaped distribution with a mean of 175 cm and a standard deviation of 7 cm.
$12.00
Statistics
Answered
-
Sixteen people work in an office. 10 are women and 6 are men. The flu virus is coming. (a.) In how many ways can the flu virus randomly select 5
$50.00
Statistics
Answered
-
Data Mining - Milestone One Page length requirements: One Paragraph Question: Based on the scenario below: What is the purpose of the analytic
$20.00
Statistics
Waiting for answer
-
A student group claims that first year students at a university must study 2.5 hours per night during the school week. A skeptic suspect that they...
$10.00
Statistics
Answered
-
The Wilson family buys a $325,000 home by putting a 20% down payment and financing the balance with a 30-year fixed mortgage at 4.
$35.00
Statistics
Answered
-
It is thought that the front cover and nature of the first question on mail surveys influence the response rate.
$50.00
Statistics
Waiting for answer
-
A test is conducted at the .05 level of significance to determine if the mean temperature in an oven is less than 400 degrees using a random sample...
$10.00
Statistics
Answered
-
1. Which of the following would cause F obt to increase?
$50.00
Statistics
Answered