Acertain component of an electronic device has a probability of 0.1 of failing. if there are 6 such components in a circuit, what is the probability that at least one fails?
a. 0.60
b. 0.47
c. 0.167
d. 0.6
e. 0.1

Identify the graph of y = ln x + 1.

Graph y = -|x| + 2. click on the graph until the correct one appears.

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.