A company manufactures 2,000 units of its flagship product in a day. The quality control department takes a random sample of 40 units to test for quality. The product is put through a wear-and-tear test to determine the number of days it could last. If the product has a lifespan of less than 26 days, it is considered defective. The table gives the sample data that a quality control manager collected. 39 31 38 40 29
32 33 39 35 32
32 27 30 31 27
30 29 34 36 25
30 32 38 35 40
29 32 31 26 26
32 26 30 40 32
39 37 25 29 34
Which sample size would you use to get the best point estimate?
a.90
b.70
c.150
d.500
e.280

Answers

Answer 1

Answer: The correct answer for the question that is being presented above is this one: "b.70." A company manufactures 2,000 units of its flagship product in a day. The quality control department takes a random sample of 40 units to test for quality. The sample size would you use to get the best point estimate is b.70

Answer 2

Answer:

Answer: E; there is insufficient data to calculate the purportion of defective pieces for an entire day .

Step-by-step explanation:

if you are on plato unit 4 post test then just choose E figured i would give my plato family the answer the easier way just the answer

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If s(x) = x – 7 and t(x) = 4x2 – x + 3, which expression is equivalent to (t*s)(x)?4(x – 7)2 – x – 7 + 3 4(x – 7)2 – (x – 7) + 3 (4x2 – x + 3) – 7 (4x2 – x + 3)(x – 7)
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Which of the following statements contains a quotient? A. 7 + 6 = 13 B. 7 × 6 = 42 C. 42 ÷ 6 = 7 D. 7 – 6 = 1

Answers

Mathematically, quotient means the solution you get when solving a division problem.

The only reliable choice is C)

Choice A) is called "the sum or total"
Choice B) is called "the product."
Choice D) is called the "the difference"

The quotient is the answer to a division problem. Therefore, C is the correct answer.

What is the y-intercept of the line y + 11=2(x+1.5)

Answers

Answer:

-8

Step-by-step explanation:

Turn the equation into slope intercept form [ y = mx + b ]

y + 11 = 2(x + 1.5)

~Distribute right side

y + 11 = 2x + 3

~Subtract 11 to both sides

y = 2x - 8

"b" represents the y-intercept, so, the y-intercept is -8.

Best of Luck!

The minimum monthly payment for anita's credit card is 2% of her balance or $10, whichever is higher. if anita's balance at the end of her last billing cycle was $360, what is her minimum monthly payment? show your work.

Answers

Answer:

Step-by-step explanation:

⇒minimum payment is 2% of her balance or 10 bucks...whichever is greater...

her balance is 360

2% of 360 =

0.02(360) = 7.20

$ 10 is greater then 7.20 so ur answer is $ 10

pls mark as brainlesttttt

Answer:

Her minimum payment would be $10.

Step-by-step explanation:

To find this, first find 2% of her statement. We can do this by multiplying the amount by the percentage.

$360 * 2% = $7.20

Now, since this is less than the given minimum, she pays the $10 minimum.

Two road crews, working together, repaired 1 mile of road in 4 hours. working separately, one of the crews takes about 6 hours to repair a similar road. how much time would the other crew, working alone, need to repair a similar road?

Answers

see the attached photo

Construct a scatter plot of the data points shown. How is a scatter plot useful in determining the type of association for a set of data? Then decide if the data shows a positive, a negative, or no association. (3 answers) (1,1) (2,1) (3,4) (4,8) (5,2) (6,7) (7,7) (8,4) (9,0)

Answers

Answer:

We can't make plots here, but I can give an explanation.

A scatter plot provides a visual representation of the showcased data as opposed to a numerical display, as such allowing more ease of use when extracting data.

Step-by-step explanation:

Andy is scuba diving.He starts at sea level and then descends 10 feet in 2 1/2 minutes. a. how would you represent Andy's descend as a unit rate? Express your answer as an integer.
b. How much feet can he descend in 6 minutes?

Answers

Descent = 10 feet
Time required = 2 1/2 minutes.
The rate of descent = (10 feet)/(2.5 mn) = 4 ft/min

In 6 minutes, the descent will be
(4 ft/min)*(6 min) = 24 ft

Answer:
(a) 4 feet/minute
(b) 24 feet

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