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 |