Tutor profile: Rachel H.
Which sentence can represent the inequality n/5 ≤ 23?
The quotient of a number and 5 is less than or equal to 23.
What are the conditions for a one-proportion z-interval test?
1. Randomization 2. Normality If np ≥ 10 and n(1-p) ≥ 10, then the sample size is large enough so that the distribution is approximately normal. 3. Independence, 10% rule n < 10%N OR replacement sampling
A cab ride costs $2.00 for the first half-mile and $0.50 for each mile after the first half-mile. How far can someone travel for $10?
The person could travel 8.5 miles.
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