The probabilities that a batch of 4 computers will contain 0, 1, 2, 3, and 4 defective computers are 0.4521, 0.3970, 0.1307, 0.0191, and 0.0010, respectively. Find the standard deviation for the probability distribution

You spent $10 on office supplies out of a $25 budget. What percentage did you spend

Explain how u can turn 5,400 in hundreds

Mara spent 3/5 of her vacation in British Columbia. While in that province, she spent 1/2 of her time in Vancouver.

The graph of the parabola defined by the equation y = - (x+1) ^2+1 is shifted 1 unit to the right, then shifted 5 units down, then rotated 180 degrees about its vertex. The resulting parabola has zeros at x=a and x=b, where b > a. What is b-a?

A square has an area of 81 cm. (squared) What is the length of each side?

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If jack has 2 apples, how long would it take him to go to the sun and back to the earth if he lives in Kiln, Mississippi and started at 12:00pm

Which of these equations has infinitely many solutions? A) 1/8 (8y - 1) = 2y - 1/4 B) 8x + 24 = - 4 (2x - 6) C) - 3 (6x + 4) + 30x = 12 (x - 1) D) 0.5 (4y + 16) = 2y - 8

Sharon has a balance of $3,825 on her credit card. If the card has an annual rate of 20.99% how much is the finance charge for this month? $802.87 $219.96 $66.96 $20.99

What is 1.62 in a fraction