Determine the minimum sample size needed in a presidential preference poll so that a percentage of 53% or more is considered significant at the 5% level when the expected
percentage is 50%
ments

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

actually your concept is wrong

step-by-step explanation:

150% of x =300

150x=300×100

x=(300×100)÷150

x=200