There are numerous ways you can do this, but take a look at the attachment to see how I did it. I hope it answers your question! :)
Answer:
Choice D
Step-by-step explanation:
QS ≈ TR
they have same direction, sense and magnitude
In beef flat,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Answer:
240m²
Step-by-step explanation:
1/2bh
1/2(16)(30)
240m²
Complete Question:
Heights of 9-Year-Olds At age 9 the average weight (21.3 kg) and the average height (124.5 cm) for both boys and girls are exactly the same. A random sample of 9-year-olds yielded these results. Estimate the mean difference in height between boys and girls with 95% confidence. Does your interval support the given claim?
Boys Girls
Sample Size 60 50
Mean Height, cm 123.5 126.2
Population variance 98 120
a.State the hypotheses and identify the claim.
b.Find the critical value(s).
c.Compute the test value.
d.Make the decision.
e.Summarize the results.
Step-by-step explanation:
Find attachments for complete solution