04/13/17

#### Probability

A regular deck of cards has four suits each consisting of thirteen cards. One of the suits is “hearts” and one card in each suit is a “queen”. One card is going to be picked at random from the... more

04/13/17

#### Unbiased or biased estimators

A population is formed my placing 5 balls labelled 1,2,3,4 and 5 respectively. Mean of this population is 3. Someone who does not know the contents of this bag will estimate the balue of mean by... more

04/11/17

#### Mean and SD

When a large number of a particular seed is planted, it is known that 70% of the seeds will germinate. In addition, the germination of one seed is independent of the germination of any other seed.... more

04/09/17

#### office supply algebra

An office supply store recently sold a black printer ink cartridge for $18.99 and a color printer ink cartridge for$27.99. At the start of a recent fall semester, a total of 49 of these cartridges... more

03/02/17

#### How many students know how to use both kinds of computers?

In a group of 140 students, 85 know how to use a Macintosh, 100 know how to use an IBM-compatible computer, and 10 do not know how to use either kind. How many students know how to use both kinds... more

02/27/17

#### Write the equation of line m in standard form.

Line m passes through C(-2,0) and D(1,-3). Write the equation of line m in standard form.

02/27/17

#### James had 72 crayons. He melted some of them to make a candle. JAMES now has 34 crayons. how many crayons did he melt to make a candle

Had 72 candles. Used some to make a candle.now has 34 Candles. How many did it take to make the candle?

02/27/17

#### Sugar cookies use 1.5 cups of butter for every 2 cups of sugar. If the recipe uses 7 cups of sugar, how many cups of butter are needed?

Sugar cookies use 1.5 cups of butter for every 2 cups of sugar. If the recipe calls for 7 cups of sugar, how many cups of butter are needed?

02/27/17

#### A gym charges an initial $100 membership and$60 each month. Represent the total cost, C, for belonging to the club for m months

Decide whether these situations are linear or exponential, and then write an equation using the given variables for each situation

02/16/17

#### Number of adult tickets sold and numer of child tickets sold

At theatre contains 440 seats and the ticket prices for a play were $48for adults and$26 for kids. If the total proceeds were \$14,960 for a sold-out matinee, how many of each type of ticket were... more

02/16/17

#### what is the value of P(X=2 or X =0)

using probability distribution table.

02/02/17

#### a runner passes the 15mil point after 3 hours and reaches 18 mil point 36 min later

What's the speed of the runner

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