# IMG0290

.png
Use the t-distribution table to find the critical value(s) for the indicated alternative hypoth of signifi sizes ny and n,. Assume that the samples are independent, normal, and random. Mm(a)zﬂ(b) Ha: pq#p2,@=020,ny =18, np =8 (a) Find the critical value(s) assuming that the population variances are equal. (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) (b) Find the critical value(s) assuming that the population variances are not equal. (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) claims that the stomachs of blue crabs from Location A contain more fish than the stomachs of blue crabs from stomach Location nigamsdfﬂ-mdastmdarddewalmdumlm At a=0.01, can you support the researcher's claim? Assume the population variances are equal. Complete parts (a) through (d) below. (a) Identify the null and altemative hypotheses. Choose the correct answer below. O A Hy py-py<0 O B. Hy py—p,50 Ha:py ~p2 =0 Hyipy-p2>0 OC. Hypy-py=0 OD. Hy py—p20 HaZpy —p2 #0 Hy: g —p2<0 (b) Find the standardized test statistic for iy —jip. t=[ | (Round o three decimal places as needed ) (c) Calculate the P-value. P=:'Mbmrdodndph\aaneubd.) (d) State the conclusion fi B 20 = » ima-afi;-:v tions Slide Show \ : """'FI [ndgendent Sampes | U baknown, - (D assume é7t«_-ﬂ PP atev U&ww(e()' =0y ASSwme /v-e7u_oj /aof v once (0—7/()-) Ho = U - M@/'\l ¢ 2 tiled fest