Cassidy wants to know how little exercise someone can do and still lose weight. Suppose she gets 24 volunteers to do 20 minutes of walking a day for a week. She weighs them before and after the weekend question and discovers they lost an average of 10 pounds with a sample standard deviation of 18. At 99% significance what was the result of the test?

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.