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

Question

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] · Answer 1 · 2022-05-02T08:10:44+03:00

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] · Answer 2 · 2022-05-02T10:12:59+03:00

sammy [17]3 years ago

7 0

Answer:

0.9985

Step-by-step explanation: