6262-of-employees-prefer-email-as-their-primary-method-of-workplace-communicatio

Question

$62 percent sign$ of employees prefer email as their primary method of workplace communication. You randomly select $10$ employees and ask whether they prefer email as their primary communication method.

The random variable $x$ represents the number of employees who prefer email.

i. What is the most appropriate description of the histogram's shape?

ii. Which value of $x$ would be considered unusual?

iii. Why is this value considered unusual?

Accepted Answer

i. Shape: skewed left

ii. $x equals 2$

iii. because it has a probability less than $0.05$

Answer

i. Shape: symmetrical

ii. $x equals 2$

iii. because it is the mean of the distribution

Answer

i. Shape: skewed right

ii. $x equals 2$

iii. because it has a probability greater than $0.10$

Answer

i. Shape: symmetrical

ii. $x equals 2$

iii. because it is the median of the distribution