Explain why counting by tens might be faster than counting by ones

You roll two number cubes. Let event A = You roll an even number on the first cube. Let event B = You roll a 2 on the second cube. Are the events independent or dependent? Why?

A board game has 25 cards, each printed with a number from 1 through 25. Sameer shuffled the cards, and then selected 1 card.

Tia cut a 4 meter 8 cm wire into 10 equal pieces. Marta cut a 540 cm wire into 9 equal pieces. How much longer is one of martas wires than one of tias

What are the solutions to the equation Y to the second power minus 1 = 24?

Round this to the nearest thousand. 4,589,215

Three clever monkeys divide a pile of bananas. The first monkey takes some bananas from the pile, keeps three-fourths of them, and divides the rest equally between the other two.

Suppose that the event of picking a face card from a standard deck of 52 cards is considered a success.

Would the margin of error be larger or smaller for 80 % confidence? Explain. A. To be less confident, the interval needs to contain the true proportion more often, so the margin of error would be smaller. B.

A survey is being conducted in a city of 1000, 000 residents. For that purpose, a random sample of size 1000 is chosen. The survey is conducted by choosing people one at a time, with replacement and with equal probabilities.

What is the constant term in the expression 8xy - 9x2 y - 5x + 6? - 9 - 5 6 8