A fair coin is tossed 3 consecutive times. What is the probability that the result of the first toss is heads and the results of the next two are tails? A: 1/8
B: 1/6
C: 1/2
D: 1/4

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much