Mathematics, 22.03.2020 04:18 abelxoconda
John sold 4 times as many Kansas City Chief T-shirts as San Francisco 49er T-shirts. He sold 250 shirts altogether. How many Kansas City Chief shirts did he sell?
Answers: 2
Mathematics, 21.06.2019 16:20
Find the slope of a line given the following two points
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Mathematics, 21.06.2019 20:50
Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost
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Mathematics, 21.06.2019 21:30
Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls
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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
John sold 4 times as many Kansas City Chief T-shirts as San Francisco 49er T-shirts. He sold 250 shi...
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