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riadik2000 [5.3K]

2 years ago

10

In a survey sample of 83 respondents, about 30.1% of the sample work less than 40 hr per week. What is the estimated standard er

ror of the proportion for this group?

1 answer:

notka56 [123]2 years ago

5 0

Step-by-step explanation:

The standard error for a proportion is √(pq/n), where q=1−p.

√(0.301 × 0.699 / 83) ≈ 0.050

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suter [353]

<h3>Answer: 21.4 square meters</h3>

Work Shown:

A = area of the front triangular face

A = base*height/2

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A = 1.7

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13x = 32 + 5x this one is solving the equation and checking the solution

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3 years ago

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In ΔRST, r = 5 cm, t = 6.8 cm and ∠T=23°. Find all possible values of ∠R, to the nearest 10th of a degree.

8090 [49]

Answer:

$\angle r=16.696$

Step-by-step explanation:

From the question we are told that:

Dimension

r = 5 cm

t = 6.8 cm

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Generally the equation of sine rule i is mathematically given by

$\frac{sin \angle r}{R} =\frac{sin \angle t}{T}$

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2 years ago