Use the Empirical Rule to find the following probabilities. It is suggested that you draw a normal curve, label the r-values for 1, 2, and 3 standard deviations from the mean, and write in the probabilities between each standard deviation before attempting to answer the questions. The average life-span of a True Test auto battery is 39 months with a standard deviation of 3 months. Assume a normal distribution. 1. We can expect 95% of the batteries to last between and months. 2. We can expect %-of the batteries to last less than 30 months. 3. We can expect % of the batteries to last longer than 42 months. 4. We can expect % of the batteries to last between 30 and 39 months. 5. We can expect % of the batteries to last between 42 and 48 months

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andarc
O Binomial
Tn Unit 4 Te x
E Roundin
A scde genR.mroons.ne/mod/quiz/attempt.php?...
Empirical Rule
Use the Empirical Rule to find the following probabilities. It is suggested that
you draw a normal curve, label the x-values for 1, 2, and 3 standard deviations
from the mean, and write in the probabilities between each standard deviation
before attempting to answer the questions.
The average life-span of a True Test auto battery is 39 months with a standard
deviation of 3 months. Assume a normal distribution.
1. We can expect 95% of the batteries to last between
and
months.
2. We can expect
%.of the batteries to last less than 30
months.
3. We can expect
% of the batteries to last longer than 42
months.
4. We can expect
% of the batteries to last between 30 and
39 months.
5. We can expect
% of the batteries to last between 42 and
48 months.
3:02 PM
12/9/2020
II
Transcribed Image Text:andarc O Binomial Tn Unit 4 Te x E Roundin A scde genR.mroons.ne/mod/quiz/attempt.php?... Empirical Rule Use the Empirical Rule to find the following probabilities. It is suggested that you draw a normal curve, label the x-values for 1, 2, and 3 standard deviations from the mean, and write in the probabilities between each standard deviation before attempting to answer the questions. The average life-span of a True Test auto battery is 39 months with a standard deviation of 3 months. Assume a normal distribution. 1. We can expect 95% of the batteries to last between and months. 2. We can expect %.of the batteries to last less than 30 months. 3. We can expect % of the batteries to last longer than 42 months. 4. We can expect % of the batteries to last between 30 and 39 months. 5. We can expect % of the batteries to last between 42 and 48 months. 3:02 PM 12/9/2020 II
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