Grade 11 and 12 Mathematics (Moderator: geoffrey)

In the equation Y = +1.3X - 7, the Y-intercept is . a. +1.3 b. -7.0 c. +7.0 d. the value of Y ...

Started by lak

John is self employed and his monthly income varies. His monthly income is normally distributed with ...

Started by aabwk4

The standard normal distribution is symmetrical about . a. its standard deviation b. its ...

Started by nelaaney

In the equation Y = -0.4X + 8, the value of Y will be when X = 2. a. 7.2 b. 0.0 c. 8.0 d. ...

Started by londonang

In the equation Y = -0.8X - 10, the value of Y will be when X = 4. a. -10.0 b. +6.8 c. -13.2 ...

Started by theo

In a certain town, 5 of people commute to work by bicycle. If a person is selected randomly from the ...

Started by saliriagwu

The probability of fewer than 44 democrats A) The area to the left of 44 B) The area to the left ...

Started by serike

In a certain town, 20 of people commute to work by bicycle. If a person is selected randomly from ...

Started by stephzh

If Y = +12 when X = 0, then the slope of the straight line relating X and Y . a. equals +12 b. ...

Started by HCHenry

A bag contains 5 blue marbles and 25 red marbles. What are the odds of choosing a blue marble? A) ...

Started by abern

A bag contains 3 blue marbles and 21 orange marbles. What are the odds against choosing a blue ...

Started by big1devin

Values of Y predicted from values of X are symbolized by . a. Ypred b. Y c. Yp d. Y ...

Started by hubes95

Population: 260,607,000 Deaths: 2,517,000 Live births: 4,662,000 Deaths of infants under 1 year ...

Started by colton

What is the major problem with obtaining a sample of all Americans by randomly selecting e-mail ...

Started by jon_i

The minimizes the sum of (Y - Y')2 values. a. least-squares regression line b. coefficient of ...

Started by fox

If a college administrator asked you to conduct a stratified sample of all students on campus how ...

Started by maegan_martin

N = 18 and p = 0.5 A) Normal approximation is suitable. B) Normal approximation is not ...

Started by jake

A straight line fitted through the points in a scatterplot that minimizes (Y - Y') 2 is called a ...

Started by tiffannnnyyyyyy

Population: 286,717,000 Deaths: 2,793,000 Live births: 4,052,000 Deaths of infants under 1 year ...

Started by meagbuch

A researcher wants to know how many Americans have been contacted by aliens. To conduct this study ...

Started by james

Population: 298,891,000 Deaths: 2,225,000 Live births: 4,190,000 Deaths of infants under 1 year ...

Started by chandani

In a least-squares regression line, b is defined as the ratio of CPXY to . a. SSY b. SSX c. SSX ...

Started by CORALGRILL2014

A high school newspaper wants to know the preponderance of cheating in the school. To do this it ...

Started by jessicacav

If Y ' = +0.5X + 8, then Y ' for X = 12 is . a. +2.0 b. +14.0 c. -14.0 d. ...

Started by piesebel

Population: 255,479,000 Deaths: 2,698,000 Live births: 4,216,000 Deaths of infants under 1 year ...

Started by bobbie