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Allisa [31]
3 years ago
11

The distribution of the number of blocks a young child can stack before their tower falls is approximately Normally distributed

with a mean of 12.7 blocks and a standard deviation of 1.4 blocks. If 6 of the child’s towers are randomly selected, what is the probability that the mean number of blocks is more than 11 blocks? 0.0015 0.1123 0.8877 0.9985
Mathematics
2 answers:
krok68 [10]3 years ago
8 0

Add them together and then divide by the number of numbers

like this:

joe had 7 beans

eric had 5

julie had 2

add them

you get 14

now divide by 3

4.6 with a bunch of 6

sammy [17]3 years ago
7 0

Answer:

0.9985

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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First, let's put all of the variables together.

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Add them.

M is the same multiplier, so we can add 4 and 5 together to make 9m.

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9m + 45 = 180.

From here, we can go two ways. I will show the first way, which is my personal  preference.

We want to get rid of the coefficient on m to isolate it, so we must divide it by its coefficient. The coefficient on m is 9. So, divide m by 9. We must also divide everything else by 9.

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Plug it in--

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Answer:

D: [0,8]

R: [0,3]

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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