74....74....74............
Answer:
The prevalence rate of flu cases requiring hospitalization thus far in 2018 is:
= 0.13%
Step-by-step explanation:
a) Data and Calculations:
Population of Portland, ME = 70,000
Number of flu cases requiring hospitalization on February 1st, 2018 = 43
Number of flu cases requiring hospitalization on July 4th, 2018 = 90
The prevalence rate of flu cases requiring hospitalization thus far in 2018 = 90/70,000 * 100 = 0.13%
b) The prevalence rate represents the proportion of the population of Portland, ME, who have the flu at the time that the Maine Public Health Department reported the number of flu cases requiring hospitalization on July 4th, 2018.
Answer:
arc length = 4π units
Step-by-step explanation:
The arc length is calculated as
arc = circumference of circle × fraction of circle
= 2πr × 
= 2π × 8 × 
= 2π × 2
= 4π units ← exact answer
Answer:
country = 0.31
rock and roll =0.47
Blues = 0.22
Step-by-step explanation:
country = 11
Rock and roll= 17
blues = 8
Total = 36
the probabilities by dividing the frequencies by the total. ( round to the nearest hundredth.)
11/36 = country
17/36 = rock and roll
8/36 = blues
Divide
country = 0.31
rock and roll =0.47
Blues = 0.22
pls mark brainliest