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EleoNora [17]
3 years ago
5

Help with probability please!!

Mathematics
2 answers:
Mazyrski [523]3 years ago
8 0
The answer to number one isc and the answer to the second one is a 
lilavasa [31]3 years ago
3 0
For the first one, the graph shows a total of 12 representatives across all 5 categories, and of those, 2 are from the west this is the fraction 2/12, or the answer A) 1/6, meaning that 1 in 6 of the representatives are going to be from the western region.
For number 2, the answer is A) If you flip a coin 800 times, heads will come up about 400 times. This is because the law of large numbers says that as the number gets larger the ratio will get closer to 1:1. This means that since the coin only has 2 sides, it is about 50/50, meaning that of 800, 400 would be heads and 400 would be tails.
Hope this helps! :D
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Evaluate arccsc 2
Tasya [4]

Answer:

The answer is option C

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3 0
3 years ago
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Masja [62]

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Step-by-step explanation:

6 0
4 years ago
Please help ASAP!
Nina [5.8K]

It is given in the question that

2(2x-1)>6 \ or \ x+3 \leq -6

For th first inequality, we divide both sides by 2, and for second, we subtract 3 to both sides, that is

2x-1>3 \ or \ x \leq -6-3
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2x>4 \ or \ x \leq -9
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x>2 \ or \ x \leq -9

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7 0
3 years ago
Help pls!!!!!!!!!!!!!!
kvasek [131]

Answer:

160 for each

Step-by-step explanation:

A normal distribution means that mean = median = mode. Furthermore, in a normal distribution, 68% of values are within 1 standard deviation of the mean, 95% of values are within 2 standard deviations, and 99.7% are within 3 standard deviation.

The mean is 150 and the standard deviation is 15. 165 and 135 1 standard deviation away from the mean, so 68% of values are between 135 and 165. This means that 32% of values are not between those values. A normal distributuion is symmetric, so 16% of values are greater than 1 standard distribution and 16% are less. Therefore, 16% of values (160) are less than 135 and 16% of values (160) are greater than 165

6 0
3 years ago
-2 x 5 - 20 negetive 2 times 5 minus 20
Leni [432]

Answer:

-130(-2(as an exponent))

Step-by-step explanation:

-2x5-20(-2(as an exponent))x5-20

-10-100(-2(as an exponent))-20

-110(-2(as an exponent))-20

6 0
3 years ago
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