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Sphinxa [80]
3 years ago
12

Please help, and show work thank you :)

Mathematics
1 answer:
frosja888 [35]3 years ago
3 0

Having a $75 added cost to the total price, we can presume they will never equal. It is easy to see if you make it algebraic:

m=months\\t=total\\\\ProviderA => t = 39.95m\\ProviderB => t = 39.95m+75

They will never equal each other.

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A new sample of 225 employed adults is chosen. Find the probability that less than 7.1% of the individuals in this sample hold m
arsen [322]

Answer:

The probability that less than 7.1% of the individuals in this sample hold multiple jobs is 0.0043.

Step-by-step explanation:

Let <em>X</em> = number of individuals in the United States who held multiple jobs.

The probability that an individual holds multiple jobs is, <em>p</em> = 0.13.

The sample of employed individuals selected is of size, <em>n</em> = 225.

An individual holding multiple jobs is independent of the others.

The random variable <em>X</em> follows a Binomial distribution with parameters <em>n</em> = 225 and <em>p</em> = 0.13.

But since the sample size is too large Normal approximation to Binomial can be used to define the distribution of proportion <em>p</em>.

Conditions of Normal approximation to Binomial are:

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Check the conditions as follows:

np=225\times 0.13=29.25>10\\n(1-p)=225\times (1-0.13)=195.75>10

The distribution of the proportion of individuals who hold multiple jobs is,

p\sim N(p, \frac{p(1-p)}{n})

Compute the probability that less than 7.1% of the individuals in this sample hold multiple jobs as follows:

P(p

*Use a <em>z</em>-table.

Thus, the probability that less than 7.1% of the individuals in this sample hold multiple jobs is 0.0043.

7 0
3 years ago
Solve the proportion <br>((x-8)/5)=(2/4)
Vika [28.1K]
 4(x - 8) = (2)(5)
4x - 32 = 10
4x = 42
  x = 10.5

4 0
3 years ago
Read 2 more answers
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