Math Answers

The professional organization for private colleges and universities

professors reported that more than 17% of professors attended a

national convention in the past year. To test this claim, a researcher

surveyed 200 professors and found that 45 has attended a national

convention in the past year. At 𝛼 = 0.05, test the claim that this figure

is correct using p -value method.

The professional organization for private colleges and universities

professors reported that more than 17% of professors attended a

national convention in the past year. To test this claim, a researcher

surveyed 200 professors and found that 45 has attended a national

convention in the past year. At 𝛼 = 0.05, test the claim that this figure

is correct using p -value method.

The number of females employees selected if five employees are selected by lottery from a group of six male and six female employees.

The absolute value of the difference of the squares of numbers that turn up when a pair of fair dice is rolled.

The score of Entrance Examination takers who took a 600 item exam resemble a

normal distribution with a mean of 220 and a standard deviation of 10. The coordinator

would like to get the lowest 15% of the scores and invite them for a retake examination.

a

What range of scores indicates the inclusion in the retake of the exam? (Answer should

be round off to whole number.)

The number of calories in a certain dessert is normally distributed with a mean of

210 and a standard deviation of 12. Find the probability that the dessert one select will

contain between 185 and 216.

construct the probability distribution of X for a pair of dice

a pair of fair dice is rolled. let x the random variable is representing the sum of the numbers that appear

Monthly food expenditures for families in Rodriguez Rizal averaged Php6,500 w

a standard deviation of Php750. Assuming that the monthly food expenditures are

normally distributed. What percentages of these expenditures are between Pho5.900

and Php7,8502

If X follows a normal distribution with u = 30 and o = 4, what is P(X <27)?