Grade 11 and 12 Mathematics (Moderator: geoffrey)

The alternative hypothesis may be either two-tailed, there is correlation, or one-tailed if we ...

Started by evelyn o bentley

If you wish to determine there is evidence that average starting salary for finance graduates ...

Started by Kikoku

The value of Spearman rank correlation coefficient, r, rages from -1 to + 1 and is used in much the ...

Started by cookcarl

If the hypothesis test is conducted using = .025, this means that: a. there is a 2.5 chance that ...

Started by TFauchery

Briefly discuss the assumptions for Inferences about Rank ...

Started by Melani1276

If Z is a standard normal random variable, then P(1.25

Started by Mimi

Many different types of continuous random variables give rise to a large variety of probability ...

Started by Engineer

Which of the following statements about continuous random variables is correct? a. They can assume ...

Started by SAVANNAHHOOPER23

Continuous random variables that can assume values at all points on an interval of values, with no ...

Started by gonzo233

Which of the following correctly describes a continuous random variable? a. We cannot list all the ...

Started by nevelica

Which of the following correctly describes the normal probability distribution? a. It is ...

Started by danielfitts88

Members of the normal probability distribution family differ from one another only by: a. mean and ...

Started by big1devin

Given a normal distribution with a mean of 80 and a standard deviation of 20, an observation of x = ...

Started by bobbysung

If the standard normal deviate of a random variable value of x = 2 is z = 2, while the standard ...

Started by madam-professor

Mean, median, and mode are: a. equal to one another in any Poisson probability distribution b. ...

Started by Brittanyd9008

If x is normally distributed random variable with a mean of 8.20 and variance of 4.41, and that P(x ...

Started by piesebel

The time it takes Jessica to bicycle to school is normally distributed with mean 15 minutes and ...

Started by SO00

If the random variable X is normally distributed with a mean of 75 and a standard deviation of 8, ...

Started by rosent76

Given that Z is a standard normal random variable, P(Z > 1.58) is: a. 0.4429 b. 0.0571 c. ...

Started by arivle123

Which of the following distributions are always symmetrical? a. Exponential b. Normal c. Binomial ...

Started by cartlidgeashley

Which of the following distributions is considered the cornerstone distribution of statistical ...

Started by Coya19@aol.com

For some positive value of z, the probability that a standard normal variable is between 0 and z is ...

Started by ereecah

For some value of z, the probability that a standard normal variable is below z is 0.2090 . The ...

Started by NguyenJ

For some positive value of x, the probability that a standard normal variable is between 0 and + ...

Started by fagboi

Adding or subtracting 0.5 from the binomial random variable x's interval endpoints (i.e., the ...

Started by ereecah