Thank you Can someone help me please!!!!

Mathematics

1 answer:

kramer3 years ago

8 0

Felix is correct because when purchasing 5 1L bottles, all your getting is 5L. When purchasing 16 cans (2 pks.), you get 5.28L. To get this answer you need to know how many mL there are in 8 cans. You need to multiply 330 by 8 and you get 2,640mL which in turn comes out as 2.64L. To find the amount for both pks. you need to multiply 2,640 by 2 to get 5,280 mL which in turn comes out as 5.28L.
Hope this helps.

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In a batch of 100 cell phones, there are, on average, 5 defective ones. if a random sample of 30 is selected, find the probabili

Dafna11 [192]

Let x be the number of defective cell phones. It is given that in batch of 100, on average 5 are defective.

let p be the probability of defective cell phone.

p = 5/100 = 0.05

Let n be size of random sample, n=30

Here out of 30 we want to find probability that 2 will be defective. It means 30-2 =28 cell phones will be non defective.

The probability of getting non defective cell phone is 1- p=1-0.05 =0.95

The probabability of getting 2 defective is

P(X=2) = number of ways selecting 2 from 30 * probability 2 defective * probability of 28 non defective

Now number of ways of selecting 2 cell phone from 30 is