1. Mean = 1236 * 0.14 = 173.04
2. Standard deviation = √(1236 * 0.14 * 0.86) = 128.9077
3. ND = 1236 * 0.14 * 0.86 = 106.7144
4. Min = 0, Max = 1236
A gallup poll of 1236 adults showed that 14% believe that bad luck follows if your path is crossed by a black cat, so n=1236 and p=0.14
1.Find the mean?
2.Find the standard deviation?
3.Find the ND (np > 5 and nq > 5 ?)
4.Find the min, max of usual values by RROT
1 answer