Mathematics, 06.12.2019 23:31 10801652
Apen manufacturer produces three types of pens: ballpoint pens, rollerball pens, and fountain pens. the company produces three variations of each type of pen, keeping the cost of production the same for each variation. the table gives the number of pens of each type sold. ballpoint rollerball fountain variation 1 2,400 1,400 550 variation 2 3,100 2,000 370 variation 3 2,850 1,100 720 the cost of production is $1 per ballpoint pen, $2 per rollerball pen, and $4 per fountain pen. the total cost of production is $for variation 1, $for variation 2, and $for variation 3. nextreset
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Mathematics, 21.06.2019 19:20
The suare root of 9x plus 7 plus the square rot of 2x equall to 7
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Mathematics, 21.06.2019 21:30
Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.
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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
Apen manufacturer produces three types of pens: ballpoint pens, rollerball pens, and fountain pens....
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