A sample of 4 different calculators is randomly selected from a group containing 19 that are defective and 36 that have no defects. what is the probability that at least one of the 4 calculators in the sample is defective?

And NFL team kicker misses two out of every 11 field goals if you miss eight field goals throughout the season how many did he attempt

To make coffee, the ratio of teaspoons of creamer to teaspoons of sugar is 4 to 5. If I use 10 teaspoons of creamer, how many teaspoons of sugar do I need?

At 4pm the snow is 4cm at 7pm the snow is at 13cm what is the average snow

What does 2.1 trillion look like in numbers?

An online store sells DVDs for $10 each. The shipping charge for an entire order is $5.50. Frank orders d DVDs. Write an expression that represents he total cost of Frank's DVDs.

A borrower pays 18% interest per year on the first Rs. 600 he borrows and 17% per year on the loan on the part of the loan in excess of Rs. 600. How much interest will the borrower pay on the loan of Rs. 6000 for one year? [CMAT 2004) a. Rs. 1,020 b.

What is 230,000 written in scientific notation?

Work out the value of 2a + ay when a = 5 and y = - 3

Ashton estimates the square root of 72 in the following way: √72 = 2√36=2*6=12 A) Explain why his reasoning is incorrect. B) Estimate the square root of 72 to the nearest tenth without using your calculator. Show your work.

Laura tiene 30 años menos que su padre y este tiene el cuadruple de los años de su hija. cual es la edad de cada uno ayudenme por favor