At store A it costs $3.45 for 3 candy bars. What is the cost for 1 bar?
2 answers:
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Answer:
Step-by-step explanation:
Mean
Standard deviation
Estimated price
Generally the equation for P(x<3.12) is mathematically given by
Since from Z table
Therefore the proportion of the milk vendors that have prices that were less than $3.12 per gallon is
Answer:
(4.462, 19.411)
Step-by-step explanation:
From the description, the functions are:
f(x) = (11/5)^(x - 7/10)
g(x) = 1/8x² + 2x + 8
(Notice that 2 2/10 is equivalent to 22/10 = 11/5)
In the picture attached, the plot of the functions is shown. The exponential is in red and the quadratic is in blue. The exponential function begins to exceed the quadratic function from point (4.462, 19.411)
