From what you learned in this class, which of the following statements are wrong? Select all.
The p-value is the probability that the alternative hypothesis is true
Even if income is not normally distributed in the population, the average income computed from a large sample follows approximately a normal distribution
The standard deviation is a measure of how much the values of a random variable are expected to vary around the mean
If we regress students' final grades on the amount of time that they spent studying and we find that the coefficient for the amount of time is positive and significant, we have proven that dedicating more time to study causes higher grades
Although the confidence interval doesn't tell us the exact value of the true population parameter, the true population parameter is for sure a value included in the confidence interval