Mathematics, 03.02.2020 19:01 diego481
By accident, 8 burned out bulbs have additionally been mixed in with 30 good ones. ken is replacing old bulbs in his house. if he selects two bulbs at random from the box of 38, what is the probability they both work?
p(both work) =
435 / 703
p(both work) =
28 / 703
p(both work) =
16 / 361
p(both work) =
169 / 256
Answers: 2
Mathematics, 21.06.2019 20:00
The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest
Answers: 2
Mathematics, 21.06.2019 20:50
There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?
Answers: 1
Mathematics, 21.06.2019 22:30
Select all of the following expressions that are equal to 2.5.
Answers: 3
By accident, 8 burned out bulbs have additionally been mixed in with 30 good ones. ken is replacing...
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