About 10% of people in the United States do not wear a seat belt. Suppose we take a random sample of 180 U. S. residents and let X =The number of people who do not wear their seat belts. (a) Calculate the mean and standard deviation of the sampling distribution of X. *Type only the number for your answer, with 2 decimal places.

What is the standard form of -5x^2+2x^4-11+x^3+3x

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x? y? z? , with vertices x? (4, -2), y? (4, -3), and z? (1, -4). the type of transformation that triangle xyz undergoes is a . triangle x? y? z? then undergoes a transformation to form triangle x? y? z? , with vertices x? (4, 2), y? (4, 3), and z? (1, 4). the type of transformation that triangle x? y? z? undergoes is a .