Mathematics, 26.10.2020 20:20 pickettkunisha14
"Jesse has nickels and dimes in his piggy bank.
There are 32 coins in all with a total of $2.70.
How many nickels and how many dimes does he
have?"
Answers: 2
Mathematics, 20.06.2019 18:04
The letter tiles shown below are in a bag. whiteout looking i am going to draw one tile. what are my chances of drawing g?
Answers: 1
Mathematics, 21.06.2019 19:00
The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠2x + 2(20) yes, because p ≠2x + 2(20) yes, because p = 2x + 2(20)
Answers: 1
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
"Jesse has nickels and dimes in his piggy bank.
There are 32 coins in all with a total of $2.70.
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