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autumn452392
29.03.2021 •
Mathematics
Can someone help me pls
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Ответ:
The angle will be 130 degrees
Step-by-step explanation:
50 at the center translates to 50 at the outer rim.
this means it will be 310-50 divided by 2
260 divided by 2 equals 130
Ответ:
A) attached below
B) 0.61
C) 0.47
Step-by-step explanation:
Given data:
Total number of lizards infected = 38
Of the 15 species B lizards 40% survived
For specie C one more survived than died
Out of the 24 lizards that died 1/3 were species A
A) contingency table
attached below
B) Determine the proportion of these lizards in this study that were either specie A or Specie B
P ( A or B ) = ( 8 + 15 ) / 38 = 0.605 ≈ 0.61
C) determine the probability that specie C lizard did not study
P ( not surviving | C ) = 7 / 15 = 0.466 ≈ 0.47