Question

The kitchen appliance section supervisor of a large supermarket predicts that four brands of electric rice cooker A,B,C and D will sell in the ratio 5:3 : 1:1 respectively, during the store's summer grand sale. The total sales during the month's promo are distributed as follows: A - 92, B - 56, C - 23, D - 29 Number of Sold Brand O A 92 B 56 C 23 D 29 Find X^2 : Answer in 3 decimal places

          The kitchen appliance section supervisor of a large supermarket predicts that four brands of electric rice cooker A,B,C and D will sell in the ratio 5:3 : 1:1 respectively, during the store's summer grand sale. The total sales during the month's promo are distributed as follows: A - 92, B - 56, C - 23, D - 29
Number of Sold
Brand O
A 92
B 56
C 23
D 29
Find X^2 : Answer in 3 decimal places

Added by Julie M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Federico Castro

05/31/2022

Step 1

- Brand A: Expected value = (5/10) * 200 = 100 - Brand B: Expected value = (3/10) * 200 = 60 - Brand C: Expected value = (1/10) * 200 = 20 - Brand D: Expected value = (1/10) * 200 = 20 Show more…

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The kitchen appliance section supervisor of a large supermarket predicts that four brands of electric rice cooker A, B, C and D will sell in the ratio 5:3:1:1 respectively, during the store's summer grand sale. The total sales during the month's promo are distributed as follows: A - 92, B - 56, C - 23, D - 29. Find X^2 : Answer in 3 decimal places