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ra1l [238]
3 years ago
11

7 example of independent event 8 pieces of fruit are drawn twice with replacement what is P

Mathematics
1 answer:
kow [346]3 years ago
8 0

Answer:

7.

rolling two number cubes

8.

2/25

Step-by-step explanation:

7.

Events A and B are said to be statistically independent if the probability of A happening, P(A), in no way affects the probability of event B occurring, P(B);

P(A∩B) = P(A) P(B)

If A and B are independent the above equation is always true.

From the list given, rolling two number cubes is an example of independent events since the outcome from the first cube does not affect the outcome of the second cube.

8.

We are informed the bag contains 4 apples, 1 plum, 2 apricots, and 3 oranges. We are required to determine the following probability;

P(Apple then Apricot) given that the fruits are drawn with replacement.

The probability of drawing an apple from the bag is;

(number of apples)/(total number of fruits)

= 4/10 = 2/5

The probability of drawing an apricot from the bag given that the apple drawn is replaced is;

(number of apricots)/(total number of fruits)

= 2/10 = 1/5

Now,  P(Apple then Apricot) = 2/5 * 1/5 = 2/25

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5 0
3 years ago
(Note: a research study on coniferous trees of the American West
eimsori [14]

Answer:

p = 0.07

p-hat = 0.035

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Step-by-step explanation:

p = population parameter, in this case, the rate of infestations across all trees in the forest

p-hat = test statistic, in this case, the rate of infestations found in the sample of trees, i.e. those in Doug's backyard

p0 = the null hypothesis, in this case, the rate of infestations within the forest is correctly evaluated at 0.07 or 7%

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In this case 0.003 as the p-value means there is only 0.3% probability of our statistic value of 0.035 being down to variability and chance meaning it is 99.7% likely that there is some reason behind this difference;

We would accept the alternative hypothesis which says the current parameter value, 0.07, is in fact incorrect (either too high or too low, in this case, likely too high).

3 0
3 years ago
What is the quotient of (a2 +6a + 9) +(a + 3)
bogdanovich [222]
Im sorry but this is not a quotient problem but an addition one, I can still simplyfy it for you though.


answer : a^2+7a+12
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(8*6)-3 is your answer 
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