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vitfil [10]
3 years ago
11

EASY 13 POINTS RIGHT HERE 10.31 as a mixed number

Mathematics
1 answer:
sergeinik [125]3 years ago
5 0

Answer:

Step-by-step explanation:

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Round 548.8 to the nearest thousand.
mote1985 [20]

Answer:

The answer is 1,000

8 0
2 years ago
What is the next term of the arithmetic sequence?<br> 6,2, -2, -6,
marissa [1.9K]

Answer:

-10

Step-by-step explanation:

-4 between each number

3 0
3 years ago
The Genetics &amp; IVF Institute conducted a clinical trial of the YSORT method designed to increase the probability of conceivi
Reika [66]

Answer: The test statistic needed to test this claim= 10.92

Step-by-step explanation:

We know that the probability of giving birth to a boy : p= 0.5

i..e The population proportion of giving birth to a boy =  0.5

As per given , we have

Null hypothesis : H_0: p\leq0.5

Alternative hypothesis :  H_a: p>0.5

Since H_a is right-tailed , so the hypothesis test is a right-tailed z-test.

Also, it is given that , the sample size : n= 291

Sample proportion: \hat{p}=\dfrac{239}{291}\approx0.82

Test statistic : z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}} , where n is sample size ,  \hat{p} is sample proportion and p is the population proportion.

\Rightarrow\ z=\dfrac{0.82-0.5}{\sqrt{\dfrac{0.5(1-0.5)}{291}}}\approx10.92

i.e. the test statistic needed to test this claim= 10.92

Critical value ( one-tailed) for  0.01 significance level = z_{0.01}=2.326

Decision : Since Test statistic value (10.92)> Critical value (2.326), so we reject the null hypothesis .

[When test statistic value is greater than the critical value , then we reject the null hypothesis.]

Thus , we concluded that we have enough evidence at 0.01 significance level to support the claim that the YSORT method is effective in increasing the likelihood that a baby will be a boy.

7 0
3 years ago
I need to know how to solve for the value of x
dimulka [17.4K]
Hey Katie

4^2x+3 = 1
We need to solve for x

log(4^2x+3) = log (1)
Now take log of
(2x +3) * log (4) = log (1)
2x + 3 = log(1)/log(4)
2x + 3 = 0
2x = 0 - 3
2x = -3
x = -3/2


I hope that's help ! 

8 0
2 years ago
thomas bought a bottle of shampoo that held 10.5 fluid ounces. he uses 1/16 of the shampoo everytime he washes his hair. how man
VashaNatasha [74]

Answer:

3.9375oz

i think this is right

5 0
3 years ago
Read 2 more answers
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