A sample of 4 different calculators is randomly selected from a group containing 1212 that are defective and 3333 that have no defects. find the probability that at least one of the calculators is defective. round to the nearest thousandth.

If the surface area of a cube is 54 cm2, how long is each side? 3 cm 6 cm 9 cm 12 cm

A hair dye is made by blending 7% hydrogen peroxide solution and a 4% hydrogen peroxide solution. How many milliliter of each are used to make a 300 mL solution that is 5% hydrogen peroxide?

Evaluate 6 + the sq root of 14+x minus - the sq root of 9x when x=2

An item is purchased for a wholesale price of $48 and will be sold at a 55 percent markup. Which expression should be used to find the amount of the markup?

C) Daca AD = 5cm AB = 15cm AC = 18cm si BC = 12cm, calculati AE, DE, DB, si EC? d) Daca AD = 4cm DB = 6cm AC = 15cm si BC = 18cm, calculate AB, AE, EC, DE?

Find the height of a triangle with an area (a) of 35 square inches and base (b) of 7 inches. Use the formula for the area of a triangle, a = 1/2bh

A survey of 50 people found that 14 people like building a snowman. If 600 people had responded, how many would have been expected to list building a snowman as their favorite winter activity? theoretical or experimental probability, and why

What is leaner equation

The probability of heads 3 times in a row is very low. if first two times are heads, what is the probability in 3rd

7y+25=-24 what is the answer