In: Statistics and Probability
b) What the mean and Standard Deviation (SD) of the Close column in your data set?
c) If a person bought 1 share of Google stock within the last year, what is the probability that the stock on that day closed at less than the mean for that year? Hint: You do not want to calculate the mean to answer this one. The probability would be the same for any normal distribution. (5 points)
DATA SET- Closed stock prices
1044.689941 |
1077.150024 |
1080.969971 |
1089.900024 |
1098.26001 |
1070.52002 |
1075.569946 |
1073.900024 |
1090.98999 |
1070.079956 |
1060.619995 |
1089.060059 |
1116.369995 |
1110.75 |
1132.800049 |
1145.98999 |
1115.22998 |
1098.709961 |
1095.060059 |
1095.01001 |
1121.369995 |
1120.160034 |
1121.670044 |
1113.650024 |