Un-Answered Questions { Mathematics }

According to set theory, sets that do not contain themselves are typically referred to as?

533


In the hexadecimal counting system, the letter c stands for what base-10 number.

564


Farmer john grows corn, tomatoes, potatoes and squash. He has only 2 fields for growing these products and cannot grow more than one product per field. How manyplanting combinations can be done in one season?

564


What types of tools or measuring devices do you use related to math?

556


A country adopted a policy requiring all couples to continue having children until they had a girl, after which they must stop having children. How many children willthe average family have and what will the sex distribution be?

569


Systematic random samp ling is to be used to select 5 addresses from an ordered list containing 500 addresses. A 1- in-100 systematic sample is used to select the 5 addresses. What is the chance that any specific address will be chosen.

526


Convert 3/20 into a percentage?

669


In a normal distribution, approximately what percentage of the cases, to the nearest whole number, falls within 4 standard deviations of the mean.

499


Which of the following is the surface area of a perfect sphere with a radius of 10 meters?

526


What is the total angular distance in degrees over a sphere?

640


A person with lung cancer is given an mri. Four radiologists examine each mri independently. If each specialist can detect lung cancer with 80% accuracy, what isthe probability that at least one of them will detect cancer in this patient.

557


In what ways do you use math in your daily life?

533


Give the range for the following six values 2, 7, 11, 19, 25, 33

565


In 1700 ad, this person showed that a series of 0s and 1s could be used to denote a number:

628


The average salary of three employee is $950 per week. If one employee earns $1150 and other earns $650 rupees, how much will third be earn?

548