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Liono4ka [1.6K]
2 years ago
9

A) Find a​ 90% confidence interval for the slope of the regression line of​ %Body Fat on Waist.

Mathematics
1 answer:
dusya [7]2 years ago
4 0

Answer:

this is to hard and I like math

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I need to find out x Q = 2x + 3 = 7
AlekseyPX
After subtracting 3 from 7, and dividing 4 by 2, you should end up with x=2.
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In roulette, you may bet whether the number that comes up is odd (or even). (Remember that 0 and 00 do not count as either odd o
EastWind [94]

Answer: - 0.027

Step-by-step explanation:

Win = any even number between (0 - 36)

Therefore,

Lose = any odd number between 0 —36 including 0

Assume Bet amount = $1

Expected value is calculate by summing all possible outcomes by their respective probabilities.

Expected value = [(p(winning) × net win value) + (p(losing +net loss value]

P(winning) = p(even) = 18/37

P(losing) = p(odd) +p(0) = 19/37

Net win value = $2

Net loss value = $-1

Expected value = [(18/37) × ($1) + (19/37) × (-$1)]

Expected value = 0.48648648 - 0.51351351

Expected value = - 0.027

7 0
3 years ago
Angela shared a cab with her friends. When they arrived at their destination, they evenly divided the
FrozenT [24]

Answer:

\frac{48+5j}{j}

Step-by-step explanation:

<u>Complete Question:</u>

Angela shared a cab with her friends . When they arrived at their destination, they evenly divided the $48 fare among "j" of them . Angela gave the cab $5 tip. How much did Angela pay in total?

<u>Solution:</u>

The fare was $48 and including Angela, there were j people, so each paid:

48/j

Also, Angela paid $5 additionally.

So, Angela paid:

48/j  ---  when dividing evenly

5  ---   as a tip

Total Angela Paid:  =\frac{48}{j}+5\\=\frac{48+5j}{j}

Total Payment:  \frac{48+5j}{j}

8 0
2 years ago
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mamaluj [8]

Answer:

#1. X=3 and #2. Y=9

Step-by-step explanation:

Glad i could help, give me a follow, so if you need help with any other question, im here.

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3 years ago
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Uma atleta percorreu cinco oitavos de uma pista e ainda precisa percorrer 75 quilômetros para completar seu percurso . Quantos q
ivolga24 [154]

Answer:

The athlete will run 200 kilometers.

A atleta percorrerá 200 quilômetros no total.

Step-by-step explanation:

She will run x kilometers.

She has already run 5/8 of the distance(5/8 of x), and still needs to run 75 kilometers.

So

\frac{5x}{8} + 75 = x

x - \frac{5x}{8} = 75

\frac{8x - 5x}{8} = 75

3x = 8*75

x = \frac{8*75}{3}

x = 200

The athlete will run 200 kilometers.

A atleta percorrerá 200 quilômetros no total.

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2 years ago
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