Mathematics, 14.12.2021 19:30 keyonnaallen2004
Veronica went to the local convenience store to buy bread, milk, dishwashing liquid, and paper towels. The table below shows the cost for each item, including tax. Veronica gave the cashier a $10.00 bill. The cashier handed her 3 quarters and 4 pennies in change. Veronica thought she should have received more change.
Local Convenience Store Prices
Item Price
Bread $2.19
Milk $2.49
Dishwashing Liquid $0.87
Paper Towel $1.47
Which mathematical explanation best supports Veronica's claim?
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
Mathematics, 21.06.2019 23:30
Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation
Answers: 1
Veronica went to the local convenience store to buy bread, milk, dishwashing liquid, and paper towel...
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