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seraphim [82]
3 years ago
6

Based on a smartphone​ survey, assume that ​58% of adults with smartphones use them in theaters. In a separate survey of 225 adu

lts with​ smartphones, it is found that 114 use them in theaters.
a. If the 58​% rate is​ correct, find the probability of getting 114 or fewer smartphone owners who use them in theaters.
b. Is the result of 114 significantly​ low?
Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
8 0

Answer:

b

Step-by-step explanation:

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URGENT!!
Lapatulllka [165]

Answer:

f[g(4)] = 4

Step-by-step explanation:

Given table:

\begin{array}{| c | c | c | c | c | c |}\cline{1-6} x & -6 & -4 & 1 & 3 & 4\\\cline{1-6} f(x) & 4 & -1 & -6 & 1 & 3 \\\cline{1-6} g(x) & 1 & 4 & 3 & -4 & -6 \\\cline{1-6}\end{array}

f[g(4)] is a composite function.

When calculating <u>composite functions</u>, always work from inside the brackets out.

Begin with g(4):  g(4) is the value of function g(x) when x = 4.

From inspection of the given table, g(4) = -6

Therefore, f[g(4)] = f(-6)

f(-6) is the value of function f(x) when x = -6.

From inspection of the given table, f(-6) = 4

Therefore, f[g(4)] = 4

3 0
2 years ago
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Consider the set whose elements are the graphs having vertex set {1, 2, 3, 4}, and consider the relation on that set, where two
Damm [24]

Answer:

7

Step-by-step explanation:

Let S be the set of all graphs having vertex set  \{1,2,3,4\}. The relation \rho is defined over S such that

the graphs G and H are equivalent provided that they have same number of edges. Then, the number of equivalence classes depends on how many edges can be there in the vertex set \{1,2,3,4\} .

The number of edges is 0 forms a disconnected graph which makes an equivalent class.

The graphs of 1 edge makes an equivalent class.

The graphs of 2 edges makes an equivalent class.

The graphs of 3 edges makes an equivalent class.

The graphs of 4 edges makes an equivalent class.

The graphs of 5 edges makes an equivalent class.

In similar way, the only graph of 6 edges is complete graph which forms another equivalent class.

Hence,the total number of equivalent classes is 7.

8 0
3 years ago
The diameter of a circle is 16 feet. What is the radius? d=16 ft Give the exact answer in simplest form. Answer in a fraction.
In-s [12.5K]
The radius of a circle would be 16/2, or 8/1. 
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4 years ago
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lawyer [7]
I think it’s always cause how can something that’s false be sometimes false or never false
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2 years ago
Estimate 4.22 times 4.49
jekas [21]

Answer:

19

Step-by-step explanation:

4.22 * 4.49= 18.9 So I would round up to 19 or 20.

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3 years ago
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