Babajan makes breakfast cereal. She mixes nuts, raisins and oats in the ratio 3 : 2 : 5 by weight.
On Monday, Babajan users 60 grams of nuts.
Work out the weight of raisins and the weight of oats she uses to make the breakfast cereal.

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults. how many students and adults went if the ticket charge was $42.75

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?