Mathematics, 29.05.2020 16:59 amendes11
Leon wants to estimate the proportion of the seniors at his high school who like to watch football. He interviews a simple random sample of 50 of the 200 seniors on campus. He finds that 32 like to watch football. Is the random condition for finding confidence intervals met?
A. Yes, the random condition for finding confidence intervals is met because npp = 32 and n(1 β pp) = 18, both of which are greater than 10.
B. Yes, the random condition for finding confidence intervals is met because the sample size is greater than 30.
C. No, the random condition for finding confidence intervals is not met because np = 32 and n(1 β p) = 18, both of which are less than 100.
D. No, the random condition for finding confidence intervals is not met because the sample is not at least 50% of the population.
E. Yes, the random condition for finding confidence intervals is met because the sample is a simple random sample.
Answers: 2
Mathematics, 21.06.2019 15:00
Idonβt understand this.. will someone ? will mark brainliest along with 20 points.
Answers: 2
Mathematics, 21.06.2019 18:50
Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling
Answers: 1
Leon wants to estimate the proportion of the seniors at his high school who like to watch football....
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