A sample of 100 subjects selected from this population contains 10 subjects whose eyes are green. What are the values of the Lower Bound of the
99% Confidence interval for P?
Please explain with steps

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Solve the equation for x. 50(4x + 12) = 200