Suppose a 95% confidence interval for a population proportion is determined to be 0.56 +0.12 = (0.44,0.68). The point estimate is:
The margin of error is:

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

Which of the following is an irrational number