- Below is the probability distribution for X which representsthe number of cutthroat trout caught in a six-hour period atPyramid Lake, Nevada.
                    x     0     1     2     3      4  .
                p(x)   .44   .36           .04    .01    Â
- Find the missing probability.
- Find the expected number of cutthroat trout caught in asix-hour period at Pyramid Lake, Nevada.
- Find the standard deviation of X.
- Find the probability of catching at least 3 cutthroat trout ina six-hour period at Pyramid Lake, Nevada.