Fill in the blanks

a. In a two sided test for the equality of two population variances, the level of significance has been specified as .10.It will be necessary to refer to the F table corresponding to an upper-tail area of ____________.

b. If a random variable has an F distribution with 12degrees of freedom in the numerator and 7 degrees of freedom in the denominator, what value of the random variable is exceeded with probability equal to .05? __________________

c.When testing whether one population proportion was significantly greater than another, the

p-value equaled .03.If the test was being carried out at a level of significance = .05, the null hypothesis would be ___________________.