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KatRina [158]
3 years ago
9

Julie works for 48 hours per week for 12 weeks during the summer, making $5000. If she works for 48 weeks during the school year

at the same rate of pay and needs to make another $5000, how many hours per week must she work?
Mathematics
1 answer:
spayn [35]3 years ago
7 0
She would need to work 12 hours per week. 
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If f(x)=.5x+15 , what is the value of f(-4)​
Levart [38]
  • <em>Answer:</em>

<em>f(-4) = 13</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>f(x) = 0.5x + 15</em>

<em>replace x = - 4</em>

<em>f(-4) = 0.5×(-4) + 15</em>

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8 0
2 years ago
Describe the sampling distribution of p(hat). Assume the size of the population is 30,000.n=800, p=0.6a) Determine the mean of t
Leno4ka [110]

Answer:

Standard deviation of the binomial distribution

                               = \sqrt{n p q} = \sqrt{192}  = 13.856

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given size 'n' = 800

The population proportion 'p'=0.6

Let 'X' be the random variable of the binomial distribution

a)  mean of the binomial distribution  = n p = 800 ×0.6

                                                             μ  = 480

b)  variance of the binomial distribution

                                                                      = n p q

                                                                      =  800 X 0.6 ×0.4

                                                                 σ²  = 192

Standard deviation of the binomial distribution

                                                             σ    = \sqrt{n p q} = \sqrt{192}  = 13.856

6 0
2 years ago
Alazea subscribes to a website for processing her digital pictures. The subscription is $5.95 per month and 4-by-6-inch prints a
JulijaS [17]
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7 0
3 years ago
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