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Mathematics, 15.04.2020 03:15 Scienceissofun6453

The time it takes for babies to learn to walk is known to be normally distributed with mean 9 months and standard deviation of1.5 months. What percent of babies learn to walk:

1, between 8 and 11months. (inclusive)
2. more than 10 months.
3. less than 8 months.

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