The population mean gpa of all clu students is 3.15 and the population variance is .55. a sample of 50 students is collected. use this information to answer the following five questions.
1. what is the standard deviation of the sample mean?
2. determine p (x < 3.00)
3. determine p (x ≥ 247)
4. determine p (2.95 < x < 3.09)
5. determine p (x = 3.15)

Plz heeeeeeelp plz give me the answer

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

When is g(x) = 0 for the function g(x) = 5.23x + 4?