A restaurant charges $8 for a large cheese pizza plus $1.50 per topping. Another restaurant charges $11 for a large cheese pizza
plus $0.75 per topping. To find out how many toppings it would take for the pizzas to cost the same at both restaurants, which equation would you set up?
A. 8 + 1.5x = 11 + 0.75x
B. 8x + 1.5 = 0.75x + 11
C. 8 + 0.75x = 11 + 1.5x
A. 8 + 1.5x = 11 + 0.75x
B. 8x + 1.5 = 0.75x + 11
C. 8 + 0.75x = 11 + 1.5x
1 answer:
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Answer:
The sample of students required to estimate the mean weekly earnings of students at one college is of size, 3458.
Step-by-step explanation:
The (1 - <em>α</em>)% confidence interval for population mean (<em>μ</em>) is:
The margin of error of a (1 - <em>α</em>)% confidence interval for population mean (<em>μ</em>) is:
The information provided is:
<em>σ</em> = $60
<em>MOE</em> = $2
The critical value of <em>z</em> for 95% confidence level is:
Compute the sample size as follows:
Thus, the sample of students required to estimate the mean weekly earnings of students at one college is of size, 3458.