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Helen [10]
3 years ago
8

In Galton’s height data, the least-squares line for predicting forearm length (y) from height (x) is y = −0.2967 + 0.2738x.

Mathematics
1 answer:
katovenus [111]3 years ago
4 0

Using the line of best fit, it is found that the prediction of the forearm length of a man whose height is of 72 in is of 19.417 in.

<h3>What does the line of best fit state?</h3>

It states that the predicted forearm length of a person of height x is given by:

y = -0.2967 + 0.2738x.

In this problem, the height is of x = 72 in, hence:

y = -0.2967 + 0.2738(72) = 19.417 in.

More can be learned about line of best fit at brainly.com/question/17261411

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12
nikitadnepr [17]

Considering the given discrete probability distribution, it is found that the expected share is of 10%.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

In this problem, the distribution is given by:

  • P(X = 0.05) = 0.2.
  • P(X = 0.1) = 0.6.
  • P(X = 0.15) = 0.2.

Hence the expected value is given by:

E(X) = 0.2 x 0.05 + 0.6 x 0.1 + 0.2 x 0.15 = 0.1 = 10%.

The expected share is of 10%.

More can be learned about the expected value of a discrete distribution at  brainly.com/question/24802582

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6 0
2 years ago
What is that same as 4 tens and 13 ones
Katen [24]

Answer:

53

Step-by-step explanation:

40 + 13 = 53

5 0
3 years ago
PLS HELP ME WILL GIVE 25 PONITS AND BRAINLIEST THE BOTS KEEP ON STEALING MY POINTS
Bumek [7]

pls give me thank on my Question

5 0
3 years ago
What is the value of d to the nearest hundredth?<br> E<br> da<br> 7.2<br> D<br> 42°<br> d<br> F
azamat

Answer: 6.48

Step-by-step explanation: hope it helps

5 0
3 years ago
The equation of line g is y = –2x − 10. Line h includes the point (–1, 9) and is parallel to line g. What is the equation of lin
zvonat [6]

Answer:

Equation for line h y = -2x +7

Step-by-step explanation:

Since the lines are parallel, their slope (m) must be the same.

Since they are in the form y=mx+b lets plug in the x and y values of line h.

y=mx+b

9= -2(-1) +b

9 = 2 + b

b = 7

lets plug this into the original equation.

y = -2x +7

7 0
3 years ago
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