Chapter 3 Part 3

Which of the following distributions are symmetric?

Select all that apply.

• Binomial when p=0.5

• Normal

• Geometric

• Uniform

• Exponential

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

The ___ distribution is typically right-skewed,

but as the mean becomes very large, it approximates a symmetric distribution.

Tags

CCSS.HSS.ID.A.4

Which of the following distributions are right-skewed?

Select all that apply.

• Geometric

• Exponential

• Normal

• Negative Binomial

• Hypergeometric

Which of the following statements about the Binomial distribution are TRUE?

Select all that apply.

• When p=0.5, the distribution is always symmetric.

• When p>0.5, the distribution is right-skewed.

• When p≤0.5, the distribution is uniform.

• When p<0.5, the distribution is right-skewed.

• When p≥0.5, the distribution is left-skewed.

This graph represents a standard normal distribution.

• TRUE

• FALSE

Tags

CCSS.HSS.ID.A.4

The range of possible values for z-scores and t-scores is ___.

The z-scores for speeds of 47 miles per hour and 56 miles per hour are ___ and ___, respectively.

• -2.75, 0

• -2.25, 0

• -2.50, 1

• -2.25, 1