Mathematics, 23.09.2019 17:30 voicelesstoxic
At a certain coffee shop, all the customers buy a cup of coffee and some also buy a doughnut. the shop owner believes that the number of cups he sells each day is normally distributed with a mean of 340 cups and a standard deviation of 23 cups. he also believes that the number of doughnuts he sells each day is independent of the coffee sales and is normally distributed with a mean of 120 doughnuts and a standard deviation of 15. complete parts a) through c). the shop is open every day but sunday. assuming day-to-day sales are independent, what? s the probability he? ll sell over 2000 cups of coffee in a week? if he makes a profit of 50 cents on each cup of coffee and 40 cents on each doughnut, can he reasonable expect to have a day? s profit of over $300? explain. what? s the probability that on any given day he? ll sell a doughnut to more than half of his coffee customers?
Answers: 2
Mathematics, 21.06.2019 17:30
Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?
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Mathematics, 22.06.2019 00:50
Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte
Answers: 3
At a certain coffee shop, all the customers buy a cup of coffee and some also buy a doughnut. the sh...
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