Mathematics, 04.01.2021 01:20 greenhusky
The retail price of a router was $220.
It was marked down 20% on sale day
and then marked back up 50%. What
was the percent increase on the
original price?
Answers: 2
Mathematics, 21.06.2019 18:00
What does the relationship between the mean and median reveal about the shape of the data
Answers: 1
Mathematics, 21.06.2019 19:40
What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1
Answers: 2
Mathematics, 21.06.2019 21:30
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?
Answers: 1
The retail price of a router was $220.
It was marked down 20% on sale day
and then marked bac...
and then marked bac...
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