PLEASE HELP ME NEED IT ASAP One day, a pet supply store selected every 20th person on a customer list and asked each how many dogs he or she had at home. Ten persons were asked in all.

Number of dogs at home: 2, 1, 3, 2, 2, 1, 4, 0, 1, 4

What is an estimate of the mean number of dogs in a customer’s home?

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# dogs

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244