decimal

A number cube is rolled and a coin is tossed. The number cube and the coin are fair. What is the probability that the number rolled is greater than 3 and the coin toss is heads? Write your answer as a fraction in simplest form Let's review the vitals of this question: The probability of heads...

What is the probability of picking a P from the word hippopotamus? There are 3 P's in a word with 12 characters. So our probability is 3/12. Using our fraction simplify calculator, this simplifies to 1/4. Written as a decimal, it's 0.25. So our answer is 1/4 or 0.25

A construction worker can lift 220 lb, while an architect can only lift 40 lb. The construction worker can lift how many times what the architect can lift? We divide 220 by 40 to get the multiplier: 220/40 = 5.5 times

There is a bag filled with 5 blue, 6 red and 2 green marbles. A marble is taken at random from the bag, the colour is noted and then it is replaced. Another marble is taken at random. What is the probability of getting exactly 1 blue? Find the total number of marbles in the bag: Total marbles =...

A hypothetical population consists of eight individuals ages 14,15,17,20,26,27,28, and 30 years. What is the probability of selecting a participant who is at least 20 years old? At least 20 means 20 or older, so our selection of individuals is: {20, 26, 27, 28, 30} This is 5 out of a possible...

Carol gets 5 each week for allowance. She saves 1 of her allowance. What percent of her allowance does carol save? Calculate the decimal: 1/5 = 0.2 Convert the decimal to a percentage Percentage = Decimal * 100 Percentage = 100 * 0.2 20%