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White raven [17]
3 years ago
12

Help with number 20 please

Mathematics
1 answer:
zzz [600]3 years ago
4 0

Answer:

dc rbtbtbntnfffnmfnbddnfnnc

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Can anyone help me i really need it rn<br>​
Hunter-Best [27]

<u>Answer:</u>

11.   g

12.  f

13.  e    (add all the frequencies)

14.  d

15.  c    (eg. 17.5 -8.5 = 9)

16.  b

17.  a

Let me know if you have any questions.

Hope this helps!

4 0
1 year ago
A simple random sample was taken of 44 water bottles from a bottling plant’s warehouse. The dissolved oxygen content (in mg/L) w
Margarita [4]

Answer:

(a) Test statistic is -2.85 and p-value is 0.0022

(b) Reject the null hypothesis. The population mean of dissolved oxygen content is not equal to 10 mg/L

Step-by-step explanation:

H0: mu equals 10

Ha: mu not equals 10

The test is a two-tailed test because the alternate hypothesis is expressed using not equal to

(a) Test statistic (z) = (sample mean - population mean) ÷ (sd/√n) = (9.14 - 10) ÷ (2/√44) = -0.86 ÷ 0.302 = -2.85

Cumulative area of the test statistic = 0.9978

p-value = 2(1 - 0.9978) = 2(0.0022) = 0.0044

(b) The critical value using 0.02 significance level is 2.422. For a two-tailed test, the region of no rejection of the test statistic lies between -2.422 and 2.422.

Conclusion:

Reject the null hypothesis because the test statistic -2.85 falls outside the region bounded by the critical values -2.422 and 2.422.

The population mean of dissolved oxygen content is not equal to 10 mg/L

7 0
3 years ago
Can anyone help me asap plzz.Solve the inequality. (a + 5.7 &gt; –2.3) (A)a &gt; 3.4 (B)a &gt; 8 (C)a &gt; –3.4 (D)a &gt; –8
Eduardwww [97]

Answer:

Solve the inequality. a + 5.7 > –2.3

(A)a > 3.4

(B)a > 8

(C)a > –3.4

<u>(D)a > –8</u>

Step-by-step explanation:

a+5.7>-2.3\\-5.7    \\a>-8

8 0
2 years ago
The function von = ar can be used to find the volume of air inside a basketball given its radius. What does V(r) represent?
Irina18 [472]

Answer:

Here, V(r) is the function dependent on the variable r whch is the radius of any sphere.

By plugging different values of r in the formula. one can find the volume associated with it.

Here, V(r) represents the volume of the sphere when the radius is equal to r.

Step-by-step explanation:

5 0
3 years ago
A relation is given below.
swat32
(4,1) can be taken out.

The input and output values cannot be the same.

Hope this helps!
7 0
3 years ago
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