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Annette [7]
2 years ago
8

Rewrite the equation 3x+4y=20 in slope intercept form

Mathematics
1 answer:
kotykmax [81]2 years ago
3 0
Y=-3/4x+5 because you get the y by itself
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g Suppose the population 10-year cumulative incidence of prostate cancer among 70-year old men is 0.06. Further, suppose 260 men
Rainbow [258]

Answer:

There is not enough statistical evidence to conclude that the cumulative incidence of prostrate cancer among 50-year old men differs from that of 70-year old men

Step-by-step explanation:

The population 10 year cumulative incidence of prostrate cancer among 70 year old men, p = 0.06

The number of 50 year old men in the sample, n = 260 men

The number of the sampled men that developed prostrate cancer = 13 men

The significance level, α = 0.05

Let the null hypothesis, H₀: \hat{p} = p

The alternative hypothesis, Hₐ: \hat{p} ≠ p

The standard score, z_{\alpha /2} = 1.96

The test statistic, 'z', is given as follows;

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p \cdot q}{n}}}

\hat{p} = 13/260 = 0.05

q = 1 - p = 1 - 0.06 = 0.94

Therefore,  \ z=\dfrac{0.05-0.06}{\sqrt{\dfrac{0.06 \times 0.94}{260}}} = \dfrac{\sqrt{9165} }{141} \approx -0.68

From the z-table, we find the p-value as follows;

P(z ≈ -0.68) = 0.24825

Therefore, given that the p-value, 0.24825 is larger than the significance level, α/2 = 0.025, we fail to reject the null hypothesis, and therefore, there is not enough statistical evidence to conclude that the cumulative incidence of prostrate cancer among 50-year old men differs from that of 70-year old men

5 0
2 years ago
Hello u have to use the distributive property to answer the question
Sedbober [7]
The answer is B: 53.6x + 60.3

6.7 (8x + 9)

6.7 x 8x + 6.7 x 9
8 0
2 years ago
Read 2 more answers
Find the solution to the system of equations.
Rzqust [24]

Answer:

(4, 1).

Step-by-step explanation:

The solution is the coordinates of the points where the 2 lines intersect.

That is where x = 4 and y = 1.

4 0
2 years ago
2 movie tickets and 1 popcorn cost $29. 4 movie tickets and 4 popcorns cost $68. How much does 1 movie ticket cost?
Sauron [17]
1 movie ticket cost $12 :))
8 0
2 years ago
What is the value of x in the equation below?<br> -3-(-8)-(-2) = x<br> O-13<br> O9<br> O 3<br> O 7
posledela

Answer:

7

Step-by-step explanation:

4 0
3 years ago
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