H0: pXL=0.10, pL=0.20, pM=0.40, pS=0.20, pXS=0.10 How many medium rubber bands are expected in the random sample of 450 rubber bands? A) 20 B) 40 C) 90 D) 180 E) 1,125

H0: pXL=0.10, pL=0.20, pM=0.40, pS=0.20, pXS=0.10 How many medium rubber bands are expected in the random sample of 450 rubber bands?
A) 20
B) 40
C) 90
D) 180
E) 1,125

Ask Ai

Sourav PanSeptember 10, 2024

Answered

Answer: D) 180
Explanation: The expected count is calculated by multiplying the proportion of medium rubber bands by the total sample size. Here, 0.40 * 450 = 180.

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