3 years ago

1. If Ronnie paid $40 for 8 hamburgers, find the unit price of a hamburger.

Mathematics

2 answers:

Doss [256]3 years ago

7 0

Answer:

The burger is $5 each.

Step-by-step explanation:

8x = 40

x = 5

Dima020 [189]3 years ago

5 0

Answer:

the unit price would be $5

Step-by-step explanation:

40÷8=5

5×8=40

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3 years ago

Read 2 more answers

Assume that a procedure yields a binomial distribution with n trials and the probability of success for one trial is p. Use the

KiRa [710]

Answer:

395, 17.212

(360.576,429.424)

Step-by-step explanation:

Given that a procedure yields a binomial distribution with n trials and the probability of success for one trial is p.

Here $n=1580and p =1/4 =0.25\\q = 0.75\\np = 395 and\\nq = 1185$

Since np and nq are greater than 5 by rule of thumb we can approximate binomial to normal.

Mean = np = 395

Variance = npq = $395*0.75=296.25$

Std dev = 17.212

Thus X no of successes is N(395, 17.212)

THe the minimum usual value mu minus 2 sigma and the maximum usual value mu plus 2 sigma would be

$395-2(17.212), 395+2(17.212)\\= 360.576,429.424$

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3 years ago