Answer:
The correct option is;
b. Stem and leaf plot
Step-by-step explanation:
A stem-and-leaf plot shows the data shape and the densities of the different classes in a graphical form such that the information in the data such as the data characteristics are self displayed by the data numbers arranged in the stem-and-leaf plot. The stem-and-leaf plot keeps the raw numerical data, in the form they were obtained and by their arrangement, outliers are easily spotted.
The probability is found from a suitable table or probability calculator.
p(z < 1.3) ≈ 0.9031995154
The answer is B because if you have 10000 hours you subtract by 3000 and it’s equals b
Answer:
6
Step-by-step explanation: