When there are ∞ degrees of freedom,the t∞ distribution
A)can no longer be calculated.
B)equals the standard normal distribution.
C)has a bell shape similar to that of the normal distribution,but with "fatter" tails.
D)equals the distribution.

Question

When there are ∞ degrees of freedom,the t∞ distribution
A)can no longer be calculated. 
B)equals the standard normal distribution. 
C)has a bell shape similar to that of the normal distribution,but with "fatter" tails. 
D)equals the distribution.

Quizplus · Accepted Answer

When there are ∞ degrees of freedom, the t-distribution approaches the standard normal distribution, since the variability tends to decrease as the sample size increases, making the t-distribution more similar to the standard normal distribution.

When There Are ∞ Degrees of Freedom,the T∞ Distribution