μ = 196.6 is an example of a null hypothesis expressed formally. True or false

μ1 – μ2 > 0 is an example of a null hypothesis expressed formally. TRUE OR FALSE

p̂ = 0.67 is an example of a null hypothesis expressed formally. TRUE/ FALSE

x̄ = 130.7 is an example of a null hypothesis expressed formally. TRUE OR FALSE

The null hypothesis always refers to a population statistic (e.g., the mean of X in the population).Select one:TrueFalse

The statement of the alternative hypothesis Ha: μ1 - μ2 < 0, states:Question 5Select one:a.that population mean 1 is smaller than population mean 2.b.that population mean 2 is smaller than population mean 1.c.that population mean 1 is larger than population mean 2.d.that the two population means are the same.