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3 years ago

WILL GIVE BRAINLIEST! HELP ASAP!

Mathematics

1 answer:

makkiz [27]3 years ago

7 0

Answer:

any nuber less then 3.5 and 5th awnser

Step-by-step explanation:

x is less then 3.5 so any number less then 3.5

5th one is true too because you can go into negitves and tehre is are infanite negitives

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Please guys help me out . Thanks

Naya [18.7K]

Answer:

6.7

Step-by-step explanation:

cos(48) = adjacent/hypotenuse

cos(48) = x/10

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3 years ago

A quality control engineer is interested in estimating the proportion of defective items coming off a production line. In a samp

fenix001 [56]

Answer:

The lower bound of a 99% C.I for the proportion of defectives = 0.422

Step-by-step explanation:

From the given information:

The point estimate = sample proportion $\hat p$

$\hat p = \dfrac{x}{n}$

$\hat p = \dfrac{55}{100}$

$\hat p$ = 0.55

At Confidence interval of 99%, the level of significance = 1 - 0.99

= 0.01

$Z_{\alpha/2} =Z_{0.01/2} \\ \\ = Z_{0.005} = 2.576$

Then the margin of error $E = Z_{\alpha/2} \times \sqrt{\dfrac{\hat p(1-\hat p)}{n}}$

$E = 2.576 \times \sqrt{\dfrac{0.55(1-0.55)}{100}}$

$E = 2.576 \times \sqrt{\dfrac{0.2475}{100}}$

$E = 2.576 \times0.04975$

E = 0.128156

E ≅ 0.128

At 99% C.I for the population proportion p is: $\hat p - E$

= 0.55 - 0.128

= 0.422

Thus, the lower bound of a 99% C.I for the proportion of defectives = 0.422

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2 years ago

If the points are connected what polygon is formed

aleksklad [387]

You need to include an image so I can help

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3 years ago

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Oliga [24]

Answer:

This might help:

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Starting salaries of 90 college graduates who have taken a statistics course have a mean of $43,993 and a standard deviation of

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Step-by-step explanation:

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