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meriva
4 years ago
10

Question 10 What best describes Theoretical Probability? A.) Flipping a coin once to see if it's a heads or tails. B.) Using mat

hematical reasoning to determine how many heads, without flipping. C.) Picking a random number for the heads you will see. D.) Flipping a coin 100 times and seeing the number of times it is heads.​
Mathematics
1 answer:
deff fn [24]4 years ago
7 0

Answer:

B)

Step-by-step explanation:

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PLEASE HELP ! <br> What is the value of the function at x = 3?<br><br> Enter your answer in the box.
lakkis [162]

4 because based on the graph, when x is 3, y is 4

6 0
3 years ago
Public health officials believe that 90% of children have been vaccinated against measles. A random survey of medical records at
Vikentia [17]

Answer:

The answer to the question is;

Yes, it is very significant as the number of of observed vaccinated children is below the number of actually vaccinated children by 78.

Step-by-step explanation:

The result of the survey of more than 13,000 children indicate that only 89.4 % had actually been and the P-value indicate that the chance of having a sample proportion of 89.4 %  vaccinated is 1.1 %.

P is low at 0.011 for which however the proportion of those vaccinated is between 0.889 and 0.899 using a 95% confidence interval, whereby the decrease from 90 % believed to 89.9 % is small, albeit it depends on the size of the population.

At 89.4 %, in a sample of 13,000, the number of children expected to have been vaccinated but were missed is equal to 90 - 89.4 = 0.6 % = 0.006

Therefore the children missed = 78 children which is significant.

5 0
4 years ago
HELP! Its about systems of equations
fiasKO [112]

Answer:

the answer would be c

Step-by-step explanation:

5 0
3 years ago
Simplify the expression <br> (-2)2x6y2<br> _________<br> (-2)-3x4y-2
Natasha2012 [34]

Answer:

-48xy

Step-by-step explanation:

For part A:

Multiplying all the constants together:

-48xy

For part B:

Multiplying all the constants together:

-48xy

8 0
3 years ago
Middle school math ! Plz help!!
Tema [17]

Answer:

x < 11

Step-by-step explanation:

-9x + 40 > -59

Subtract 40 from each side.

-9x > -99

Divide by -9 on each side. (flip the symbol)

x < 11

3 0
3 years ago
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