Abin of 5 transistors is known to contain 2 that are defective. the transistors are to be tested, one at a time, until the defective ones are identified. denote by n1 the number of tests made until the first defective is identified and by n2 the number of additional tests until the second defective is identified. find the joint probability mass function of n1 and n2.

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?