Mathematics, 16.01.2021 09:10 rissacoob7862
Solve 2x + 6 < 10 or 2x + 8 > 20. A. x < 2 and 2 > 2 B. I 2 O C. x < 1 or x > 6 O D. x < 2 or x > 6
Answers: 2
Mathematics, 21.06.2019 14:30
An an average person has 6Ć10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7Ć10 by the power of three white blood cells about how many red blood cells are in the sample
Answers: 1
Mathematics, 21.06.2019 19:30
Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500
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
Solve 2x + 6 < 10 or 2x + 8 > 20. A. x < 2 and 2 > 2 B. I 2 O C. x < 1 or x > 6 O...
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