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Art [367]
3 years ago
6

A survey of 61,647 people included several questions about office relationships. Of the respondents, 26% reported that bosses sc

ream at employees. Use a 0.05 significance level to test the claim that more than ¼ of people say that bosses scream at employees.
Mathematics
1 answer:
konstantin123 [22]3 years ago
8 0

Step-by-step explanation:

n = 61,647, p = 0.26, q = 0.74

μ = p = 0.26

σ = √(pq/n) = 0.00177

At 0.05 significance, z = 1.96.

0.26 ± 1.96 × 0.00177

(0.257, 0.263)

0.25 is outside of the confidence interval, so we can conclude with 95% confidence that the proportion is greater than 0.25.

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A sewing machine sews at a constant rate of 1,500 stitches per minute. If the equation, y = 1,500x represents the relationship b
crimeas [40]

Answer:

Step-by-step explanation:

x is the independent variable. y is the dependent variable.

5 0
3 years ago
Which relation is a function?
dimulka [17.4K]
The definition of a function is that for each input, there is only one output. Thus, the answer to your question is A, as it is the only answer option that each input has only one output. In answer choice B, the input -1 has outputs of both -2 and -5. In answer choice C, the input 4 has outputs of both 3 and 0. Finally, in answer choice D, the input -4 has outputs of both -4 and 4. Therefore, answer A is the only function because it is the only option that follows the definition. Hope this helps! :)
7 0
3 years ago
The price of one share of Starbucks declined five dollars per day for four days in a row. How much did the price of one share ch
myrzilka [38]

Answer:

Each share lost $20 in value over 4 days time

Step-by-step explanation:

$5 loss for 4 days

5 x 4 = 20

$20 loss in 4 days.

5 0
3 years ago
How do i solve this problem?<br> Y=100+50x
gogolik [260]

Answer:

Step-by-step explanation:

to solve this you would subtract 100 from each side :

Y  = 100+50x

-100 -100

-100= 50x

then you would divide each side by 50 to get 'x'

-100/50=50x/50

-2 = x

7 0
4 years ago
HELP!! out of the 4,500 people Who attended the rock concert 46% purchased a shirt how many people bought t-shirts??
Korvikt [17]

Answer:

2070 people.

Step-by-step explanation:

We can set up the following proportion:

\frac{46}{100}=\frac{x}{4500}

Then, cross multiply, and you'll get your answer: 2070 people.

Hope this helped!

8 0
3 years ago
Read 2 more answers
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