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7nadin3 [17]
3 years ago
10

Can someone plz help me with numbers 16 and 18

Mathematics
2 answers:
o-na [289]3 years ago
7 0

-0.23 I don’t know what to write but it says to at least write 20

yawa3891 [41]3 years ago
3 0
16. Is -1.25 and 18. Is 0.23
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Write a multiplication equation that represents the question: how many 3/8 are in 8?
goldenfox [79]

Answer:

8

Step-by-step explanation:

\frac{3}{8} +\frac{3}{8} +\frac{3}{8} +\frac{3}{8} +\frac{3}{8} +\frac{3}{8} +\frac{3}{8} +\frac{3}{8}

\frac{3}{8} × 8

= 3

In algebra:

\frac{3}{8} × y = 3

y = 3 ÷ \frac{3}{8}

y = 8

7 0
3 years ago
An FBI survey shows that about 30% (i.e., 0.3) of all property crimes go solved. Suppose that in New York City 15 such crimes ar
konstantin123 [22]

Complete question :

An FBI survey shows that about 30% (i.e., 0.3) of all property crimes go solved. Suppose that in New York City 15 such crimes are committed and they are each deemed independent of each other.

a. What is the probability that exactly 3 of these 15 crimes will be solved? b. What is the probability that at most 3 of these 15 crimes will be solved? c. What is the probability that more than 11 of these 15 crimes will be solved?

Answer:

0.17

0.29686

0.000092

Step-by-step explanation:

Given that :

Probability of success (p) = 0.3

Number of cases (n) = 15

1 - p = 1 - 0.3 = 0.7

Usung binomial distribution formula :

a. What is the probability that exactly 3 of these 15 crimes will be solved?

P(x = 3)

Recall:

P(x = x) = nCx * p^x * (1 - p)^(n-x)

P(x = 3) = 15C3 * 0.3^3 * 0.7^12

P(x = 3) = 455 *

P(x = 3) = 0.17

B.) What is the probability that at most 3 of these 15 crimes will be solved?

P( X ≤ 3) = P(x = 0) + p(x = 1) + p(x = 2) + p(x = 3)

To save computation time, we can using the binomial probability calculator :

P( X ≤ 3) : 0.00474 + 0.03052 + 0.09156 + 0.17004 = 0.29686

c. What is the probability that more than 11 of these 15 crimes will be solved?

P( X > 11) = P(x = 12) + p(x = 13) + p(x = 14) + p(x = 15)

P( X > 11) = 0.000092

7 0
2 years ago
Write 7,380,000,000 in scientific notation.
uysha [10]
7.380 times 10 to the 9th power (or 7.38 times 10 to the 9th power)
5 0
3 years ago
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A local newspaper did a survey asking people of different ages how many hours they spend using social media sites each week. The
FrozenT [24]

Answer:

Step-by-step explanation:

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2 years ago
I want help ,i want an answer
Otrada [13]

Answer:

1,900,800

Step-by-step explanation:

5 0
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