dpchill5232
31.01.2022 •
Mathematics
A random sample of 40 seniors reveals that 10% of those sampled have assigned parking spaces in the high
school's main lot. This is surprising because, according to the main office of the large high school, 45% of seniors
have assigned parking spaces in the high school's main lot. Which of the following statements is true?
A. The population is all seniors and the sample is the 40 seniors who were randomly selected.
B. The population is the 40 seniors who were randomly selected and the sample is all seniors.
C. The population is all assigned parking spaces and the sample is the 4 seniors selected who have an assigned spot.
D. The population is the 4 seniors selected who have an assigned spot and the sample is all assigned parking spaces.
The population is all seniors and the sample is the 40 seniors who were randomly selected.
The population is the 40 seniors who were randomly selected and the sample is all seniors.
O The population is all assigned parking spaces and the sample is the 4 seniors selected who have an assigned
spot
The population is the 4 seniors selected who have an assigned spot and the sample is all assigned parking
spaces
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Ответ:
A. The population is all seniors and the sample is the 40 seniors who were randomly selected.
Step-by-step explanation:
Ответ:
A : 22%
B : 25%
Step-by-step explanation:
I am not certain about the B answer but the A I am confident in as you have to multiply the possible percentage by one another as they are co-dependent upon the outcome.