GROWTH DEVELOPMENT CHILD
FORMATIVE ASSESSMENT
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5. What proportion of weeks would you expect to have less than 5 accidents?
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0.6915
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0.1762
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0.8238
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-0.93
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Explanation:
Detailed explanation-1: -Thus, 8.77% of the normal distribution is between 1.25 and 2.1 standard deviations above the mean.
Detailed explanation-2: -About 95% of the data is within 2 standard deviations of the mean. About 99.7% of the data is within 3 standard deviations of the mean.
Detailed explanation-3: -The standard normal distribution is a normal distribution with a mean of zero and standard deviation of 1.
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