Please, provide all the formulas and solutions! Thank you!

1) 48 people took the survey about whether they have siblings or not. These are the number of siblings each of the survey participants has:

{0; 0; 0; 0; 0; 1; 1; 1; 1; 1; 1; 1; 1; 1; 1; 1; 1; 1; 1; 1; 1; 1; 1; 2; 2; 2; 2; 2; 2; 2; 2; 2; 2; 2; 2; 3; 3; 3; 3; 3; 3; 3; 3; 3; 4; 4; 4; 4.}

The global average fertility rate is just below 2.5 children per woman today. In Russia this number is higher.

(a) Clearly stated H0 and H1.

(b) Type of statistical test (two-, one-sided).

(c) Rejection regions for three common significance levels.

(d) Computed p-values.

(e) Point estimate of parameter of interest. Discuss if your estimate is unbiased/consistent or not.

(f) 99%, 95%, 90% interval estimates of the parameter of interest.

(g) Visualize the data (draw the graph).

Discuss the limitations of the sample. Our survey can be deemed appropriate to answer some questions, but not others.