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hodyreva [135]
3 years ago
7

Which number like inequality represents n<-1?

Mathematics
1 answer:
Alenkinab [10]3 years ago
7 0
The second one is your answer
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1
jok3333 [9.3K]

Answer:

5 miles thank me later

Step-by-step explanation:

7 0
2 years ago
A market research firm supplies manufacturers with estimates of the retail sales of their products from samples of retail stores
KengaRu [80]

Answer:

The 95% confidence interval for the difference of means is (7.67, 16.33).

The estimate is Md = 12.

The standard error is sM_d = 2.176.

Step-by-step explanation:

We have to calculate a 95% confidence interval for the difference between means.

The sample 1 (this year's sales), of size n1=36 has a mean of 53 and a standard deviation of 12.

The sample 2 (last year's sales), of size n2=49 has a mean of 41 and a standard deviation of 6.

The difference between sample means is Md=12.

M_d=M_1-M_2=53-41=12

The estimated standard error of the difference between means is computed using the formula:

s_{M_d}=\sqrt{\dfrac{\sigma_1^2}{n_1}+\dfrac{\sigma_2^2}{n_2}}=\sqrt{\dfrac{12^2}{36}+\dfrac{6^2}{49}}\\\\\\s_{M_d}=\sqrt{4+0.735}=\sqrt{4.735}=2.176

The degrees of freedom are:

df=n_1+n_2-1=36+49-2=83

The critical t-value for a 95% confidence interval and 83 degrees of fredom is t=1.989.

The margin of error (MOE) can be calculated as:

MOE=t \cdot s_{M_d}=1.989 \cdot 2.176=4.328

Then, the lower and upper bounds of the confidence interval are:

LL=M_d-t \cdot s_{M_d} = 12-4.328=7.67\\\\UL=M_d+t \cdot s_{M_d} = 12+4.328=16.33

The 95% confidence interval for the difference of means is (7.67, 16.33).

7 0
2 years ago
ANY HELP WITH THIS QUESTION WOULD BE GREAT<br> THANK YOU :)
USPshnik [31]

Answer:

4+3 squared 3 equals 9.19 and 4-3 squared 3 equals -1.19

Step-by-step explanation:

7 0
3 years ago
Ellie puts 35 quarter into stacks with the same number of quarter in each stack
ki77a [65]

Answer:

Ellie can make eight stacks of quarters with four quarters in each stack

Step-by-step explanation:

4 0
2 years ago
I need help with this question please and thank you
stiv31 [10]

Answer:

13 cups

Step-by-step explanation:

1.5 pint=  3 cups

8 fluid ounces = 1 cup

4 bottles of milk with 1.5 pint each= 3x 4= 12 cup

8 fluid ounces of strawberry syrup= 1 cup

12+1=13 cups

4 0
2 years ago
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