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3 years ago

15

A) find the mean and median of the low temperatures. by) (5 pts) draw a time plot of the average high temperatures. (5pts) compu

te the sample variance of the high temperatures using formula 1-1

1 answer:

REY [17]3 years ago

7 0

I am very sorry, but the question is not clear enough for someone to answer it.

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A local high school has both male and female students.

Kitty [74]

Answer:

a. P(male) = 0.4

b. P(no sport and male) = 0.1

c. Unclear question (isn't it the same as b.?)

Step-by-step explanation:

The data below is what I've worked according to, which isn't very clear from the question so the answers are only correct if this is the correct table of data;

$\left[\begin{array}{ccc}&No \ Sports&Sports\\Female&10&32\\Male&7&21\end {array}\right]$

a.

$P(male) = \frac{7 + 21}{70} \\\\ = \frac{28}{70} \\\\ = \frac{2}{5}$

b.

Using the tree diagram in the picture;

$P(no \ sport \ and \ male) = \frac{2}{5} * \frac{1}{4} \\\\ = \frac{1}{10}$

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2 years ago