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3 years ago

8

Please help me with this work sheet

1 answer:

omeli [17]3 years ago

7 0

Large frappe; x≥8 color in dot on 8 and shade right→

med capp; x less than 2 open circle on 2 shade left←

small tea; x≤4 color in dot on 4 shade left←

all; x greater than 2 open circle on 2 shade right→

This does not follow the instructions because 6 is not greater than or equal to 8

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Anne and Kyleigh worked over summer vacation.

juin [17]

Kyleigh earned more money than Anne

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3 years ago

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. The standard deviation of completi

Sholpan [36]

<h2><u>Answer with explanation:</u></h2>

Let $\mu$ be the population mean.

Null hypothesis : $\mu=12$

Alternative hypothesis : $\mu$

Since Alternative hypothesis is left tailed so , the test is a left tailed test.

Given : n=33 > 30 , so we use z-test.

Test statistic : $z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

i.e. $z=\dfrac{11.2-12}{\dfrac{1.6}{\sqrt{33}}}\approx-2.87$

Using z-value table,

P-value for left tailed test = $P(z$

Since , the p-value (0.0020524) is less than the 0.05 level of significance, it means we reject the null hypothesis.

Therefore, we have enough evidence to support the claim that the mean completion time has decreased under new management.

7 0

3 years ago

Help this question question

Step2247 [10]

Answer:

-65 i suppose

Step-by-step explanation:

7 0

3 years ago

What is the rate for 171 amen3

Serga [27]

To find the unit rate for 171 & 3 we have to divide.

171 ÷ 3 = rate/unit rate
171 ÷ 3 = 57

<span>57 per something is the nit rate/rate. </span>

3 0

4 years ago

I have no idea how to graph g(x)..or why f(x) is relevant..... Steps would be helpful!! I got a final twomorrow ;-;

SSSSS [86.1K]

When you derive a function from another using the transformation

$g(x) = f(x+k)$

you're translating the graph of the parent function f(x) horizontally.

More specifically, you translate the graph k units to the left if k is positive, k units to the right if k in negative.

So, starting from the graph of f(x), you have that the graph of

$g(x) = f(x+3)$

is the same graph of f(x), but shifted 3 units to the left.

3 0

4 years ago