estimate-the-mean-and-standard-deviation-of-the-normal-distribution-shown-below-

Question

The dashed lines represent the mean and 11-standard-deviation intervals in the following normal distribution. Estimate the values of the mean and standard deviation.

Accepted Answer

μ=77\mu=77σ=5\sigma=5

Answer

μ=78\mu=78σ=4\sigma=4

Answer

μ=78\mu=78σ=5\sigma=5

Answer

μ=77\mu=77σ=4\sigma=4