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mylen [45]
3 years ago
14

Dion is performing a hypothesis test in which the population mean is 92 and the standard deviation is 2. His sample size is 7 wi

th a mean of 93.5. Which of the following correctly depicts the z-statistic for this data?
a. 0.28. b.0.36. c.1.98. d.2.63​
Mathematics
2 answers:
Elza [17]3 years ago
7 0

Answer:

Step-by-step explanation:

SOVA2 [1]3 years ago
7 0

Answer:

Answer is 1.98

You're welcome.

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What the answer now hurry up and answer fast question
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Answer:

927.0 cm²

Step-by-step explanation:

Step 1: find Z

m < Z = 180 - (28 + 118) (sum of ∆)

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Z = 34°

Step 2: Find side XY using the law of sines

\frac{XY}{sin(34)} = \frac{42}{sin(28)}

Cross multiply

XY*sin(28) = 42*sin(34)

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\frac{XY*0.469}{0.469} = \frac{42*0.559}{0.469}

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Step 3: find the area.

Area of ∆ = ½*XY*YZ*sin(Y)

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