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Question 1: A die is rolled, find the probability that an even number is obtained.
Question 2: Two coins are tossed, find the probability that two heads are obtained.
Note: Each coin has two possible outcomes H (heads) and T (Tails).
Question 3: Which of these numbers cannot be a probability?
a) -0.00001
b) 0.5
c) 1.001
d) 0
e) 1
f) 20%
Determine the probability that the sample mean is 20 or higher? What is the probability that the sample mean falls within 2 points of the population mean?
If a person bought 1 share of Google stock within the last year, what is the probability that the stock on that day closed at less than the mean for that year? Hint: Use the Empirical Rule, do not calculate the mean. The answer is easy
At a local college, of the 31 male students are smokers and 279 are non-smokers. Of the female students, are 40 smokers and 360 are non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the ..
A pie chart shows the market shares of cola products. The "slice" for Pepsi-Cola has a central angle of 90 degrees. What is its market share.
Determine a random number generator and make simulated data for not more than 25 participants (test subjects) in study using ranges of values for variables you established above.
The mean pulse rate for males. Define the null and alternative hypothesis. SD= 18.48 pulse rate for males 25.07 women.
the american college health association produced the national college health assessment andy gardiner surfacing from
1. a random sample of 16 size d batteries for cars yield a mean of 2.8 hours with standard deviation 1.3 hours.a find
Calculate the standard deviation for this data = since it is a case of grouped data with classes. use group or class midpoints in the formula in place of x values.
if z is a standard normal random variable the area between z 0.0 and z 1.20 is 0.3849 while the area between z 0.0
The following table lists the annual amounts of glass cullet produced by Kimble Glass Works, Inc. Determine the least squares trend equation. Estimate the amount of scrap for the year 2005.
We have discussed two different methods for making statistical inferences such as developing interval estimates and conducting hypothesis tests. These methods are the "Critical Value Method" and the "P-Value Method".
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