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schepotkina [342]

2 years ago

13

Input output please

1 answer:

dlinn [17]2 years ago

8 0

Step-by-step explanation:

89
81
50
83
295

<h2>hope it helps.</h2><h2>stay safe healthy and happy.</h2>

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What is the slope-intercept equation of the line below?

yKpoI14uk [10]

Slope is known as rise over run. Because the line is pointing "\", it is negative.

The rise, the distance from one point to another, specifically from (0,4) to (1,1) is 3, as 4-1=3. your run is 1-0=1.

So your rise over run is -3/1 or, -3.

Your y-int is where when x=0, y=?

In this case y=4 when x=0.

Your equation is

y=-3x+4

5 0

2 years ago

Suppose that a standardized biology exam has a mean score of 80% correct, with a standard deviation of 3. The school administrat

NemiM [27]

Answer:

The 99% confidence interval is between 62.36%(lower bound) and 89.64%(upper bound).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

A sample of 65 students from the freshmen class is used and a mean score of 76% correct is obtained.

This means that $n = 65, \pi = 0.76$

99% confidence level

So $\alpha = 0.005$ , z is the value of Z that has a pvalue of $1 - \frac{0.005}{2} = 0.995$ , so $Z = 2.575$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.76 - 2.575\sqrt{\frac{0.76*0.24}{65}} = 0.6236$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.76 + 2.575\sqrt{\frac{0.76*0.24}{65}} = 0.8964$

0.6236*100 = 62.36%

0.8964*100 = 89.64%

The 99% confidence interval is between 62.36%(lower bound) and 89.64%(upper bound).

6 0

3 years ago

Mary’s pet turtle Waze mary’s pet turtle Weighs 4.094 pounds. How is this number written in word form?

svp [43]

Four and ninety four thousandths. You're welcome!

6 0

3 years ago

Read 2 more answers

Use the formula A = bh , where A is the area, b is the base length, and h is the height of the parallelogram, to solve this prob

ELEN [110]

A=bh
108=12(h)
h=a/b
h=108/12
h=9

5 0

3 years ago

Luba walked 5 miles in 1 1/2 hours. How fast did she walk in miles per hour?

katovenus [111]

Answer:

5m=11,2h

60/11

660+20

680/5

136

=2,15

4 0

3 years ago