Grade 11 and 12 Mathematics (Moderator: geoffrey)

An experiment consists of tossing 3 unbiased coins simultaneously. The number of simple events in ...

Started by Redwolflake15

An experiment consists of three stages. There are three ways to accomplish the first stage, four ...

Started by student77

The possible number of combinations of 3 out of 8 distinct items equals: a. 28 b. 56 c. 112 d. ...

Started by Zoey63294

An event is: a. an experiment that is not controlled by the decision maker b. the list of all ...

Started by B

When Cynthia enters a grocery store, there are three simple events: buy nothing, buy a small amount, ...

Started by cmoore54

Which of the following statements if false? a. The set of all simple events of an experiment is ...

Started by storky111

Bayes' Rule is a formula for revising an initial subjective (prior) probability value on the basis ...

Started by jhjkgdfhk

A false positive in screening tests is the event that the test is negative for a given condition, ...

Started by erika

A false negative in screening tests is the event that the test is positive for a given condition, ...

Started by melly21297

A false negative in screening tests (e.g., Steroid testing of athletes) represents the event that: ...

Started by drink

A false positive in screening (e.g., home pregnancy tests) represents the event that: a. the test ...

Started by mmm

Screening tests (e.g., AIDS testing) are evaluated on the probability of a false negative or a false ...

Started by kamilo84

The probability distribution for a discrete variable x is a formula, a table, or a graph providing ...

Started by joesmith1212

A random variable is any variable the numerical value of which is determined by a random experiment, ...

Started by debasdf

In a set of all possible values a discrete random variable is countable, because the variable can ...

Started by LaDunn

A table, graph, or formula that associates each possible value of a discrete random variable, x with ...

Started by tsand2

There are two types of random variables: discrete and continuous. Indicate whether the statement ...

Started by burton19126

If x is a discrete random variable, then x can take on only one of two possible values. Indicate ...

Started by joe

The number of students living off-campus is an example of a discrete random variable. Indicate ...

Started by SO00

The time required to assemble a computer is an example of a discrete random variable. Indicate ...

Started by Lisaclaire

The number of homes sold by a real estate agency in a three week period is an example of a ...

Started by jCorn1234

If the mean of the random variable x is larger than the mean of the random variable y, then the ...

Started by rosent76

The weight of a box of candy bars is an example of a discrete random variable since there are only a ...

Started by natalie2426

Which of following statements is true regarding the probability distribution for a discrete random ...

Started by Bob-Dole

The expected number of heads in 500 tosses of an unbiased coin is: a. 150 b. 200 c. 250 d. 300 ...

Started by mwit1967