A survey showed that 82% of kids play video games at home. What fraction of kids play video games at home?

Mathematics

2 answers:

charle [14.2K]3 years ago

7 0

Answer:

8.2/10

Step-by-step explanation:

Rudik [331]3 years ago

4 0

Answer:

42/50

Step-by-step explanation:

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Question help the average income in a certain region in 2013 was $62 comma 00062,000 per person per year. suppose the standard

Iteru [2.4K]

Part a
The sample size is large enough to use the central limit theorem because it is greater than 30.

Part b.
The mean of the sampling distribution is 62000.
The standard error is computed as
$SE=\frac{s}{\sqrt{n}}=\frac{27000}{\sqrt{100}}=2700$

Part c.
Compute for the corresponding z-score of more than 2700 from the population mean.
$z=\frac{2700}{2700}=1$

Therefore,
$P\left(z\ \textgreater \ 1\right)=0.1587$

6 0

2 years ago

Use a single digit times a power of 10 to

Nesterboy [21]

Step-by-step explanation:

0.00002468 = 2.468 × 10^(-5)

for single digit =>

2 × 10^(-5)