Part $2$

Attempt $\frac{1}{10}$ for $9$ pts$.$

What is the variance for stock B$?$

$4+$ decimals

Part $3$

Attempt $\frac{1}{10}$ for $9$ pts$.$

What is the covariance of returns?

$4+$ decimals

Part $4$

Attempt $\frac{1}{10}$ for $9$ pts$.$

What is the correlation coefficient?

$3+$ decimals