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nekit [7.7K]
3 years ago
13

Can you guys help with these questions!!

Mathematics
1 answer:
velikii [3]3 years ago
3 0

Answer:

You line up the letters

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The data shown has a least-squares regression line of y=3.2x−6.4.
Damm [24]

Answer:

1) B. on, 2) D. 19.2, 3) C. 0

Step-by-step explanation:

1) The value of y according to the regression line is:

y = 3.2\cdot (8) - 6.4

y = 19.2

Hence, the point (8,19.2) is <em>on </em>the least-squares regression line.

2) The value of y according to the regression line is 19.2.

3) The residual is the difference between the value from the regression line and the real value. In this case, the residual value is 0.

5 0
3 years ago
A coin is thrown 3 times. What is the probability that at least one head is thrown?.
zvonat [6]

Answer:7/8

A coin is tossed 3 times. The probability of getting at least one head is 7/8.

3 0
2 years ago
Read 2 more answers
You travel from city A to city B and back your trip last five and a half hours and you maintain a speed of 64 miles per hour the
malfutka [58]

Answer:

401 MILES

Step-by-step explanation:

miles from A to B:

64 * 5.5 = 352 miles

miles from A to C:

352 + 49 = 401 miles

3 0
3 years ago
Mateo has 60 wooden tiles in the shape of diamonds as shown below. He plans to glue these tiles side by side onto a tabletop.
Rudik [331]

Answer: 1620

Step-by-step explanation: This is for a parallelogram you would multiple 6 base x's 4.5 height= 27 area for each diamond.

He's using 60 tiles. Multiple the area of 1 tile which is 27 by 60 wooden tiles to find the area of the parallelogram. 27 multipled by 60 tiles= 1620 inches squared

8 0
3 years ago
Read 2 more answers
When stating the null and alternative hypotheses, the hypotheses are: Select one: a. Always about the statistic only b. Always a
Nata [24]

Answer:

D. Always about the parameter only

Step-by-step explanation: A Null Hypothesis is a hypothesis used in statistics to show that there is no variation among the variables of interest. A Null Hypothesis also can be said to be giving a proposal that there is not significant difference between the observed data.

An alternative hypothesis is a hypothesis in statistics given contrary to the Null Hypothesis,a Null hypothesis can also be seen in statistics as stating that something is happening among the data.

3 0
3 years ago
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