Mathematics, 19.10.2019 00:00 Sebs1
Darnell buys homes and flips them by completing renovations to turn a profit on his investment. he is currently working on a house with three bedrooms that need new hardwood floors. he is estimating the total cost to purchase hardwood flooring for the bedrooms with the following dimensions.
bedroom 1: 22 feet by 15 feet
bedroom 2: 15 feet by 12 feet
bedroom 3: 13 feet by 12 feet
a big home improvement store advertises the price of two types of flooring, shown below.
$7.25 per square foot
$6.75 per square foot plus a $100 fixed installation fee
which of these two prices would be best for darnell to estimate the total cost of new hardwood flooring in the three bedrooms?
correctly identifying the best price for new hardwood flooring in the three bedrooms
explaining your reasoning
hint: multiply the area of each room by the price per square foot. when working with $6.75, do not forget the fixed installation fee.
Answers: 3
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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?
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Darnell buys homes and flips them by completing renovations to turn a profit on his investment. he i...
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