1 year ago

If a histogram of a sample of men's ages is skewed, what do you expect to see in the normal quantile plot?

Mathematics

1 answer:

Scorpion4ik [409]1 year ago

5 0

Answer: Points are not following a straight-line pattern

Step-by-step explanation:

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Mike has coffee worth $4 per pound that he wishes to mix with 20 pounds of coffee worth $7 per pound to get a mixture that can b

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$\bf \begin{array}{lccclll}
&\stackrel{lbs}{amount}&\stackrel{per~lb}{price}&\stackrel{amount}{price}\\
&------&------&------\\
\textit{\$4/lb coffee}&x&4&4x\\
\textit{\$7/lb coffee}&20&7&140\\
------&------&------&------\\
mixture&y&5&5y
\end{array}$

so, we know the mixture is the sum of both types of coffee, thus x + 20 = y, and 4x + 140 = 5y.

$\bf \begin{cases}
x+20=\boxed{y}\\
4x+140=5y\\
----------\\
4x+140=5\left( \boxed{x+20} \right)
\end{cases}
\\\\\\
4x+140=5x+100\implies 140-100=5x-4x\implies 40=x$

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1 year ago

Which is an x-intercept of the continuous function in the table?

Ad libitum [116K]

Answer:

B. (3, 0)

Step-by-step explanation:

The x-intercept is the point where the graph of the function meets the x-axis.

At x-intercept, y=0 or f(x)=0

So look through the table and find where f(x)=0.

From the table, f(x)=0 at x=3.

We write this as an ordered pair.

Therefore the x-intercept is (3,0)

The correct choice is B.

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1 year ago

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If a histogram of a sample of​ men's ages is​ skewed, what do you expect to see in the normal quantile​ plot?

If a histogram of a sample of men's ages is skewed, what do you expect to see in the normal quantile plot?