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amid [387]
2 years ago
13

A researcher is testing a new painkiller that claims to relieve pain in less than 15 minutes, on average.a.State the hypotheses

associated with the researcher's test. (2 points)
Mathematics
1 answer:
Ivenika [448]2 years ago
4 0

Answer:

I have a feeling it won't be exactly 15 minutes but it'll be around that time, if it's true.

Step-by-step explanation:

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If p(a | b) = 0.4, p(b) = 0.8, and p(a) = 0.5, are the events a and b independent?
pashok25 [27]

The events A and B are not independent.

Given that,

                  P(A|B) = 0.4

                  P(A) = 0.5

                  P(B) = 0.8

Two events A and B are said to be independent, if P(A∩B) = P(A) P(B)

We have, P(A|B) = P(A∩B)/P(B)

Therefore, P(A∩B) = P(A|B) P(B) = 0.4 x 0.8 = 0.32

Now P(A) P(B) = 0.5 x 0.8 = 0.4

So P(A∩B) ≠ P(A)P(B)

Therefore, the events A and B are not independent.

Learn more about independent events at brainly.com/question/22881926

#SPJ4

7 0
1 year ago
I'm really confused, can someone please help me with this problem?
stiv31 [10]

Answer: x = 6.25

5 ÷ 0.8

= 6.25

6 0
3 years ago
What the simplest form for 5 4/32?
stira [4]
Ok so the answer is 160/32
4 0
2 years ago
Read 2 more answers
Graph the equation by plotting three points. If all three are correct, the line will appear 2y = 3x + 11​
lukranit [14]

Answer:

(-1,4), (-5,0), (3,10) I hope this helps.

What I did I reduced the equation and got y by itself. The new equation would be y=3/2x+11/2x. I started plugging in points. I put the equation on a graph and found those points on the graph.

3 0
2 years ago
If I = prt; p = 350, r = 6%, I = 42, then t = 2 A. True B. False
Liono4ka [1.6K]

t = 2 → A true

given I = PRT

to find T , divide both sides by PR

note that R = 6% = \frac{6}{100} = 0.06

T = \frac{I}{PR} = 42/( 350 × 0.06 ) = 2



4 0
3 years ago
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