Mathematics, 27.09.2019 20:50 bhopainting
Abox contains 7 plain pencils and 5 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a pen from the first box and a crayon from the second box are selected?
Answers: 1
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
Mathematics, 22.06.2019 03:30
The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?
Answers: 3
Mathematics, 22.06.2019 03:30
The elmina wilson company produces spaghetti sauce that is used in restaurants. the fixed costs total $1,329,050. the selling price per 64 oz. can of sauce is $12.40. the variable cost per can is $4.80. what is the break-even point in number of cans?
Answers: 1
Abox contains 7 plain pencils and 5 pens. a second box contains 5 color pencils and 5 crayons. one i...
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