71% of the surface of the Earth is covered in water. A random number generator uses latitude and longitude
to select a random location on Earth
If such locations are generated, what is the probability
that the first of those locations that is over land is on
the 8th location?
(0.298
O (Ο
(0.71)
O (0.29)(0.71)
(0.71% (0.29)

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Manuela solved the equation below. what is the solution to manuela’s equation?