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geniusboy
25 days ago
13

6.8 Use the Normal approximation. Suppose we toss a fair coin 100 times. Use the Normal approximation to find the probability th

at the sample proportion of heads is (a) between 0.3 and 0.7. (b) between 0.4 and 0.65. Moore, David. Exploring the Practice of Statistics & Student CD (p. 325). W.H. Freeman & Company. Kindle Edition.
Mathematics
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The distance d (in miles) you travel in a car is given by the two equations shown, where t is the time (in hours) and g is the n
lawyer [12517]
We have the equations d=55t and d=20g. The left sides match, as do the right sides. First, we derive the equation: 55t=20g. Then, we can deduce that g=(55/20)t. If t=6 hours, then g=(55/20) *6 = 165/10=16.5 gallons. The distance can be calculated as d= 55t= 55*6=330 miles, which is also equal to d=20g=20*16.5=330 miles.
4 0
2 months ago
Read 2 more answers
Find the coordinates of the point whose ordinate is -7 and lies on y axis​
PIT_PIT [12445]

Response:

(0,-7)

Detailed explanation:

For any point designated as (x,y)

x represents the abscissa, which can also be referred to as the x-axis coordinate, while

y represents the ordinate, also known as the y-axis coordinate

ordinates are the points along the y-axis.

For any point situated on the y-axis, its x-coordinate will always be 0

given that the ordinate is -7. This indicates that the y-coordinate takes the value of -7

Thus, the coordinates of the point are (0,-7)

5 0
2 months ago
Write a rule that would allow you to test whether (x,y) is on line ℓ.
lawyer [12517]

Response:

We define a line L.

In a two-dimensional space, a line can be expressed as follows:

y = a*x + b

where 'a' denotes the slope and 'b' represents the y-intercept.

To determine the slope for a line passing through points (x1, y1) and (x2, y2), the formula is:

a = (y2 - y1)/(x2 - x1).

Using one of these points will help to find the value of 'b'.

Once we have the line's equation:

y = a*x + b

we can substitute in a specific point (x, y)

to verify if the equation holds true. If it does, that point lies on the line L.

6 0
2 months ago
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