Construct a binomial distribution for each random variable. find and interpret the mean in the context of the given situation. then find the variants and standard deviation. in eureka california, 21% of the days are sunny. consider the number of sunny days in february.

What is the value of x when x + 7 = 21?

If a is a nonzero real number then the reciprocal of a is

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score