CHILD DEVELOPMENT PEDAGOGY

GROWTH DEVELOPMENT CHILD

FORMATIVE ASSESSMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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?
A
0.6915
B
0.1762
C
0.8238
D
-0.93
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.

There is 1 question to complete.