Mathematics, 21.01.2021 01:30 english7750
15. Helen wanted to add some rosebushes and hostas
to her garden. Her first purchase was 8 rosebushes
and 4 hostas for a total of $140. Helen realized she
had room for more plants so the next day she
bought 4 more rosebushes and 3 more hostas and
spent $80. How much did she spend on each
rosebush?
Answers: 2
Mathematics, 21.06.2019 18:30
An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3
Answers: 2
Mathematics, 21.06.2019 18:30
The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?
Answers: 3
Mathematics, 21.06.2019 20:20
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
15. Helen wanted to add some rosebushes and hostas
to her garden. Her first purchase was 8 rosebush...
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