3 years ago

Please Help................................................................

1 answer:

5 0

A linear model is a model where the line is the best fit for the data. The correct answer is the graph in the bottom right. It is that box because the line best fits the data.

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A recent national survey found that high school students watched an average (mean) of 6.8 movies per month with a population sta

Margaret [11]

Answer:

Step-by-step explanation:

Given that x = no of movies high school students watched is N(6.8, 1.8)

Sample size = 36 and hence std error = 1.8/6 = 0.3

$H_0: x bar = 6.8\\H_a: x bar < 6.8\\$

(two tailed test)

Mean difference = 6.2-6.8 = -0.6

Test statistic z = -0.6/0.3= -2

p value = 0.02275

Since p <0.05 we reject H0.

There is evidence to show that college students watch fewer movies a month than high school students

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3 years ago

Katie makes 70% of her shots from the free-throw line. Can you determine how many consecutive free-throws she must make in order

irga5000 [103]

To make 70% she has completed 7 out of 10 shots. for her to get 75% she would need 3 out of 4 each time.

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3 years ago

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Find the equation of the line The line has a slope of 1.3 and passes through the point (-2.3, -3.2)

irga5000 [103]

Answer:

y=1.3 x - 0.21

Step-by-step explanation:

$y = (slope) \times x + (constant)$

set (-2.3,-3.2) in above

$- 3.2 = 1.3 \times ( - 2.3) + c$

then c=-0.21

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2 years ago

Evaluate the following expression. 2^-2<br> Answer needs to be a fraction

Shtirlitz [24]

Answer is.........: 1/4

7 0

3 years ago

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Help please, I don’t understand this

Solnce55 [7]

Answer:

r(14) = 29

Step-by-step explanation:

r(x) = 3/2x+8

r(14) = 3/2*14+8 = 21+8 = 29

6 0

3 years ago

Read 2 more answers