suppose that the systolic blood pressure in a healthy population is normally distributed with µ = 125 and σ2 = 64 mm Hg . What area of the curve is above 125? What area of the curve is below 130?...
suppose that the systolic blood pressure in a healthy population is normally distributed with µ = 125 and σ2 = 64 mm Hg . What area of the curve is above 125? What area of the curve is below 130?...
Calculate SS, variance, and standard deviation for the sample of n = 4 scores: 7, 4, 2, 1. (The computational formula works well with these scores)
The Las Vegas odds on the Denver Broncos winning the 1998 Super Bowl were 5 to 2. If a gambler had bet $46 on the Broncos, how much would the gambler have won in addition to having the wager returned...
an inspector must select three tests to perform in a certain order on a manufactured part.He has a choice of 9 tests.How many ways can he perform 3 differnt tests?
there are 660 women in a village and the sum of their hieights are 3,511.2 feet. what is their average height?
The incidence of an illness is estimated to be 8%. In a population of 2000, what would be the number of people who would contract this specific illness?
At a local college, 183 of the male students are smokers and 427 are non-smokers. Of the female students,252 are smokers and 348 are non-smokers. A male student and a female student from the...
There are 45 green and 55 red Christmas ornaments in a box that you cannot see into. Imagine that you have to choose an ornament and then place it back into the box. a) What is the probability...
The insurance institute for highway safety crashed the 2010 ford fusion four times at 5 miles per hour. The cost of repair for each of the four crashes are as follows: $2529, $1889, $2610, $1073 Compute...
$53,733 $54,459 $53,849 $53,245 $52,065 $52,065 $53,834 $51,309 $52,056 $51,920 The mean of the data set is? what is the mode? what is the midrange?
A Gallup Poll asked 1,002 randomly chosen adults to rate the ‘honesty and ethical standards’ of 21 occupations. Nurses were at the top, with 82% of the poll respondents rating them ‘very high’ or...
Mean daily counting rate for cosmic rays falls below 3000 about one day per month. Find the probability that in a randomly selected month, the number of days with a mean counting rate below 3000 is a...
A company’s manufacturing process uses 500 gallons of water at a time, a scrubbing machine then removes most of the chemical pollutant before pumping the water into a lake. Legally the treated water...
Police response time to an emergency call is the difference between the time the call is first received by the dispatcher and the time a patrol car radios that it has arrived at the scene. Over a...
The access code for a car's security system consists of six digits. The first digit cannot be 5 and the last digit must be odd. how many different codes are available?
In a regression of weight (lbs) on height (inches), it was found that b0 = -220 and b1 = 6. If a given individual is 72 inches tall, the regression predicts a weight of:
A group of investigators decided to test the hypothesis that use of postmenopausal hormone replacement therapy increases the risk of breast cancer. They identified 200 women with newly diagnosed breast...
Please explain how to get the answer
1) A 3 x 5 table is considered to test the association of two variables having 3 and 5 categories respectively. A Chi-square test statistic with value 19.0 was obtained. What is the degrees...
For each of the following studies state a) whether the study is observational or experimental, and b) the type of study design: (i) In a study to explore the impact of meditation...