Mathematics, 25.03.2021 19:20 ajime
Last week, Ms. Rasberry purchased a 3.5 pound of grapes for $2.80. This week she paid $5.25 for a 5-pound package of grapes. What was the difference in the unit cost per pound that Ms. Rasberry paid this week compared to last week.
Answers: 2
Mathematics, 21.06.2019 21:20
Which of the following can be used to explain a statement in a geometric proof?
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Mathematics, 21.06.2019 21:30
Which equation is true? i. 56 ÷ 4·7 = 82 ÷ (11 + 5) ii. (24 ÷ 8 + 2)3 = (42 + 9)2 neither i nor ii ii only i and ii i only
Answers: 1
Mathematics, 21.06.2019 22:30
Amachine that produces a special type of transistor (a component of computers) has a 2% defective rate. the production is considered a random process where each transistor is independent of the others. (a) what is the probability that the 10th transistor produced is the first with a defect? (b) what is the probability that the machine produces no defective transistors in a batch of 100? (c) on average, how many transistors would you expect to be produced before the first with a defect? what is the standard deviation? (d) another machine that also produces transistors has a 5% defective rate where each transistor is produced independent of the others. on average how many transistors would you expect to be produced with this machine before the first with a defect? what is the standard deviation? (e) based on your answers to parts (c) and (d), how does increasing the probability of an event a↵ect the mean and standard deviation of the wait time until success?
Answers: 3
Last week, Ms. Rasberry purchased a 3.5 pound of grapes for $2.80. This week she paid $5.25 for a 5-...
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