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

SouravSeptember 10, 2024

Answer

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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