9 When calculating the price (p) of an item that has been marked down by 25%, Denise states that the
expression p – 0.25p will calculate the sale price.
Kristal says that a shorter way to calculate the sale price
would be to use the expression 0.75p. Who is correct?
A Denise is correct.
B Kristal is correct.
C Both Denise and Kristal are correct.
D Neither Denise nor Kristal are correct.

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Read the following two statements. then use the law of syllogism to draw a conclusion. if the tv is too loud, then it will give me a headache. if i have a headache, then i will have to rest.

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?