Whats is the mean in -10 + -10 + 6 + 5 + -1 + -1 plz also tell if it’s integer and why or why not

What multiplys to be 1 but adds up to be 4

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false

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.