Of 200 youthful gamers (under 18) who tried the new Z-Box-Plus game, 160 rated it "excellent," compared with only 144 of 200 adult gamers (18 or over). The test statistic to test if the two proportions differed significantly would be a. 1645 b. 1.960 c. 1.873 d. 1448

Correct option is (c). 1.873.

Step-by-step explanation:

The hypothesis can be defined as:

H₀: There is no difference between the two proportions.

Hₐ: There is a difference between the two proportions.

Given:

The sample proportion of youthful gamers who tried the new Z-Box-Plus game and rated it "excellent," is:

The sample proportion of adult gamers who tried the new Z-Box-Plus game and rated it "excellent," is:

The population proportion of gamers who rated the game as "excellent" is:

The test statistic is:

Thus, the value of the test statistic is 1.873.

The correct option is (c).

i think the answer is seven, for if i'm being useless °ω°

step-by-step explanation:

32/80  

91/140

the last one 54 doesn't go into 45. 54/100 ?

step-by-step explanation: