Grade 11 and 12 Mathematics (Moderator: geoffrey)

A box contains 6 marbles: 3 yellow, 1 red, and 2 blue. If two marbles are drawn without replacement, ...

Started by vicky

How many ways can you obtain a sum of seven when two dice are rolled and their faces added? 1.6 ...

Started by mrsjacobs44

Since there are two possible ways to obtain a sum of three on two dice, the odds in favor of ...

Started by evelyn o bentley

A die is rolled and the following events are defined: A = the event that the roll of the die is an ...

Started by danielfitts88

A box contains marbles of 2 colors. There are 2 red and 3 yellow. Two marbles are selected without ...

Started by elizabeth18

If an unfair coin has a 40 chance of landing heads up, what is the probability of it landing tails ...

Started by ssal

If A and B are mutually exclusive events and P(A) = 0.6 and P(B) = 0.3, what is P(A and B)? 1.0.9 ...

Started by mikaylakyoung

What is the probability of observing a head in a coin toss followed by a four on the roll of a die? ...

Started by Zoey63294

If two events are mutually exclusive, those same events must be _____ because if event A occurs then ...

Started by jayhills49

A random variable is continuous if the set of possible values includes an entire interval on the ...

Started by j.rubin

The standard normal distribution has a mean of 1 and standard deviation of 0. 1.True ...

Started by tuffie

The normal distribution has a continuous random variable. 1.True ...

Started by rachel9

A continuity correction is used to convert a continuous random variable into a discrete random ...

Started by Alygatorr01285

Which of the following random variables are continuous? I). the air pressure in an automobile ...

Started by altibaby

Suppose x is a continuous random variable with the probability distribution shown below. ...

Started by vicky

Which is not an example of a discrete random variable? 1.number of books in a backpack 2.number of ...

Started by olgavictoria

Is the random variable of interest discrete or continuous? 1.Discrete 2.Continuous

Started by nummyann

Find the mean and standard deviation for the binomial random variable, x, the number of four's seen ...

Started by Tirant22

Approximately 60 of the school's enrollment is male. Five students are randomly selected. The number ...

Started by humphriesbr@me.com

A normal approximation is reasonable for all but which? 1. n = 20 and p = 0.8 2. n = 20 and p = ...

Started by tsand2

The total area under the standard normal curve is: 1.0 2.1 3.0.5 ...

Started by ishan

Suppose researchers would like to determine the proportion of Americans who own dogs. This would be ...

Started by burton19126

When selecting an appropriate method for data analysis, the only important consideration is the ...

Started by Arii_bell

Consider the following two statistical inference situations: I. A technician at a water-bottling ...

Started by pepyto

A technician wishes to examine the breaking pressures, in pounds per square inch, of three brands of ...

Started by maychende