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Firdavs [7]
2 years ago
14

Points A, B, C and D have coordinates A(5, 7), B(7, 1), C(17, m) and D(−1, 3). If line

Mathematics
2 answers:
STatiana [176]2 years ago
6 0

Answer:

3

Step-by-step explanation:

I used  a graph

DENIUS [597]2 years ago
6 0

Answer:

Use the slope formula to determine the slope of the line (m) if not given. ... (3,3) a. B(1,1). 7) Write an equation of the circle whose diameter

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A driver's education course compared 1,500 students who had not taken the course with 1,850 students who had. Of those students
aivan3 [116]

Answer:

P-value is less than 0.999995 .

Step-by-step explanation:

We are given that a driver's education course compared 1,500 students who had not taken the course with 1,850 students who had.

Null Hypothesis, H_0 : p_1 = p_2 {means students who took the driver's education course and those who didn't took have same chances to pass the written driver's exam the first time}

Alternate Hypothesis, H_1 : p_1 > p_2 {means students who took the driver's education course were more likely to pass the written driver's exam the first time}

The test statistics used here will be two sample Binomial statistics i.e.;

                             \frac{(\hat p_1 - \hat p_2)-(p_1 - p_2)}{\sqrt{\frac{\hat p_1(1- \hat p_1)}{n_1} + \frac{\hat p_2(1- \hat p_2)}{n_2} } } ~ N(0,1)

Here, \hat p_1 = No. of students passed the exam ÷ No.of Students that had taken the course

 \hat p_1  = \frac{1150}{1850}            Similarly,  \hat p_2 = \frac{1440}{1500}          n_1 = 1,850       n_2 = 1,500

  Test Statistics = \frac{(\frac{1150}{1850} -\frac{1440}{1500})-0}{\sqrt{\frac{\frac{1150}{1850}(1- \frac{1150}{1850})}{1850} + \frac{\frac{1440}{1500}(1- \frac{1440}{1500})}{1500} } } = -27.38

P-value is given by, P(Z > -27.38) = 1 - P(Z > 27.38)

Now, in z table the highest critical value given is 4.4172 which corresponds to the probability value of 0.0005%. Since our test statistics is way higher than this so we can only say that the p-value for an appropriate hypothesis test is less than 0.999995 .

6 0
3 years ago
Chris completed 20% of a 50 page reading assignment. How many pages did he read?
MrRissso [65]

Answer:

10 pages

Step-by-step explanation:

To find 20% of 50, multiply .20 x 50

.2 × 50 = 10

8 0
2 years ago
Read 2 more answers
Use 3 cup to make 2batches of cookies lay has 6 cups. How many batches can he make
seraphim [82]
Four batches can be made with 6 cups
6 0
3 years ago
Read 2 more answers
Please help me. What are 2 numbers that multiply to be -36 and add up to be 5?
elena55 [62]

Answer:

-4 and 9

Step-by-step explanation:

-4 + 9 = 5

-4 x 9 = -36

4 0
2 years ago
An Xbox that normally sells for $390 is on sale at a 30% discount. What is the sale price of the Xbox?
schepotkina [342]
$273 as 390×(1-30%)=273
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3 years ago
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