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.

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.