Which one among the following assertions is LEAST LIKELY ? Group of answer choices The optimum level of debt to capital

[answerhappygod]

Which one among the following assertions is LEAST
LIKELY ?
Group of answer choices
The optimum level of debt to capital ratio is where the
company’s cost of capital is minimized.
The purchaser of a stock will not receive the dividend if the
stock was purchased on or after the ex-dividend date.
A non-fungible token is a unique and non-interchangeable unit of
data stored on a digital ledger.
The lower the correlation coefficient between the returns of 2
stocks, the greater the diversification of the portfolio of these
two stocks.
In an ordinary least square regression output, when Significance
F < 0.05, it means that at least one coefficient of an
independent variable is significantly different from zero.