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What is the probability of rolling a 5 or getting tails?
Your question is very vague but if we assume "rolling a 5" is rolling a five on a six sided dice then the probability of that would be 1/6 since there are 6 sides and 5 is just 1 side. Again your question is very vague but if we assume "getting tails" means getting heads or tails on a 2 sided coin then the probability of that would be 1/2 since there are 2 sides and tails is just 1 side.
A shape with twelve edges?
Is called a Dodecagon. * * * * * A dodecagon is a 2-dimensional (plane) shape with 12 SIDES. The term EDGES is normally used in the context of 3-dimensional objects. One such shape is a parallelopiped. A cube is a special case of a parallelopiped. In 3-D, a parallelopiped is to a cube what, in 2-D, a parallelogram is to a square.
How much degrees is a pentagon?
The sum of internal angles of a shape is given by the equation 180(n-2) where n is the number of sides. For a pentagon, which has 5 sides, this would be 180x3 = 540. The sum of external angles of a shape is given by (180-(x/n))n where n is the number of sides and x is the sum of internal angles. For a pentagon, this would be 5x(180-540/5) = 360
What is the critical z value that corresponds to a confidence level of 92 percent?
It depends on whether the interval is one sided or two sided. The critical value for a 2-sided interval is 1.75
What is the probability of rolling a multiple of 4 on a fair-sided number cube?
That's going to depend on how many numbered sides the "cube" has, and howthey're numbered.If it's literally a six-sided cube, with the faces numbered 1 through 6, then the onlymultiple of 4 anywhere on it is 4, and the probability of rolling the 4 is1/6 or (16 and 2/3) percent.
