3 years ago

PLEASE HELP ME!!!!!!! I’ll give 40 points

1 answer:

3 0

Answer:

350

Step-by-step explanation:

7 x 10 to the 7th power is 70000000 and 2x 10 to the 5th power is 200000, if you divide them yo get 350.

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PtichkaEL [24]

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Olegator [25]

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OleMash [197]

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3 years ago

shusha [124]

Answer:

Step-by-step explanation:

Let X be the no of adults whose feelings the state of morals is poor.

X has two outcomes and each trial is independent of the other

X is Bin with p = probability for success in each trial =40%=0.40

n=no of adults surveyed = 55

a) The probability that exactly 21 of those surveyed feel the state of morals is poor is

$P(X=21) = 40C21 (0.4)^{21} (1-0.4)^{19} \\=0.03519$

(b) The probability that no more than 22 of those surveyed feel that state of morals is poor is

= $P(X$

$P(X>22)\\=1-0.9811\\=0.0119$

(d) The probability that 15 or 16 believe the state of morals is poor is

= $P(X=15)+P(X=16)\\=0.1228+0.1279\\=0.2507$

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4 years ago

enot [183]

150 miles per hour (pretty slow for a plane so I hope that's correct)

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4 years ago