Which of the following probabilities is the greatest for a standard normal distribution?
P (negative 1.5 less-than-or-equal-to z less-than-or-equal-to negative 0.5)
P (negative 0.5 less-than-or-equal-to z less-than-or-equal-to 0.5)
P (0.5 less-than-or-equal-to z less-than-or-equal-to 1.5)
P (1.5 less-than-or-equal-to z less-than-or-equal-to 2.5)