Mathematics, 21.04.2021 18:10, kids2006
A social worker at a large high school wants to estimate the number of days students are absent. He randomly
selects 45 students and records the number of days each one is absent. The social worker constructs a 95%
confidence interval for the true mean number of days students at this school are absent. Which of the following
would decrease the margin of error?
ОООО
using a sample of size 30
using a sample of size 40
constructing a 90% confidence interval
constructing a 99% confidence interval
Answers: 1
Mathematics, 21.06.2019 17:00, sherlock19
If you apply the changes below to the absolute value parent function, f(x)=\x\, which of these is the equation of the new function? shift 2 units to the left shift 3 units down a. g(x)=\x-3\-2 b. g(x)= \x-2\-3 c. g(x)= \x+3\-2 d. g(x)= \x+2\-3
Answers: 1
Mathematics, 21.06.2019 18:10, heybrothwrlogan
Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180
Answers: 1
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