Marked(10)/total = 3/20 (from sample)
total/10 = 20/3 (inverting the above proportion)
total = 10•20/3 = 200/3 ≈ 67
Answer:
19/30
Step-by-step explanation:
30 students
12 have cat , 19 have dog , 6 no cat or dog
P dog = 19 have dogs/30 students total = .633333...
Answer:
x=33
Step-by-step explanation:
............,.....
Answer:
8.0
Step-by-step explanation:
Since we are trying to find the nearest tenth decimal place, we look at the hundredths place to figure it out. Since it is ≥5, we round up.
