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4 years ago

For which set of data are the median and mode the same number?

Mathematics

1 answer:

dlinn [17]4 years ago

5 0

1 hghhhhhhgghhghhhhhhhhhhhh

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Chelsea did yard work for 7 hours last weekend. Her parents paid her $40. How much did she get paid per hour?

Igoryamba

Answer:

$5.71

Step-by-step explanation:

40 divided by 7 equals 5.71428571, which should be rounded to 5.71.

8 0

3 years ago

Read 2 more answers

Suppose the force acting on a column that helps to support a building is a normally distributed random variable X with mean valu

Sauron [17]

Answer:

(1) 0.4207

(2) 0.7799

Step-by-step explanation:

Given,

Mean value,

$\mu = 15.0$

Standard deviation,

$\sigma = 1.25$

(1) P(X ≥ 17.5) = 1 - P( X ≤ 17.5)

$= 1- P(\frac{x-\mu}{\sigma} \leq \frac{17.5-\mu}{\sigma})$

$=1-P(z\leq \frac{17.5 - 15}{1.25})$

$=1-P(z\leq \frac{2.5}{1.25})$

$=1-P(z\leq 2)$

$=1- 0.5793$ ( By using z-score table )

= 0.4207

(2) P(14 ≤ X ≤ 18) = P(X ≤ 18) - P(X ≤ 14)

$=P(z\leq \frac{18 - 15}{1.25}) - P(z\leq \frac{14 - 15}{1.25})$

$=P(z\leq \frac{3}{1.25}) - P(z\leq -\frac{1}{1.25})$

$=P(z\leq 2.4) - P(z\leq -0.8)$

= 0.9918 - 0.2119

= 0.7799

8 0

3 years ago

A farmer has 160 bushels of apple to sell at his roadside stand. He sells an average of

jarptica [38.1K]

Answer:

15 3/4 = (15*4 + 3)/4 = 63/4

5*(63/4) = 78.74 OR 78 3/4

The change in the total number of bushels is 78 3/4 bushels.

4 0

3 years ago

5÷540 long divison with a grid

lutik1710 [3]

Answer:

0.00925925925.

Step-by-step explanation:

I really don't have explanation on this.

Why, because it's too hard to explain.

3 0

1 year ago

Division of reciprocal of 5/11 by -55/18 results in -18/25. true or false?

Katyanochek1 [597]

Answer:

True

Step-by-step explanation:

The reciprocal of $\frac{5}{11}$ is $\frac{11}{5}$ , then

$\frac{11}{5}$ ÷ - $\frac{55}{18}$

Change ÷ to × and turn the second fraction upside down, that is

$\frac{11}{5}$ × - $\frac{18}{55}$ ← cancel 11 and 55 by 11

= $\frac{1}{5}$ × - $\frac{18}{5}$

= - $\frac{18}{25}$ ← True

6 0

4 years ago

Read 2 more answers