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zhuklara [117]
3 years ago
11

Find the unit rate with the second given unit in the denominator. 1090 heartbeats in 15 min A. B. C. D.

Mathematics
1 answer:
podryga [215]3 years ago
4 0
1090/15
= 73 heartbeats per minute

hope it helps :)
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Suppose 241 subjects are treated with a drug that is used to treat pain and 54 of them developed nausea. Use a 0.05 significance
lana66690 [7]

Answer:

Null Hypothesis, H_0 : p = 0.20  

Alternate Hypothesis, H_a : p > 0.20  

Step-by-step explanation:

We are given that 241 subjects are treated with a drug that is used to treat pain and 54 of them developed nausea.

We have to use a 0.05 significance level to test the claim that more than 20​% of users develop nausea.

<em>Let p = population proportion of users who develop nausea</em>

So, <u>Null Hypothesis,</u> H_0 : p = 0.20  

<u>Alternate Hypothesis</u>, H_a : p > 0.20  

Here, <u><em>null hypothesis</em></u> states that 20​% of users develop nausea.

And <u><em>alternate hypothesis</em></u> states that more than 20​% of users develop nausea.

The test statistics that would be used here is <u>One-sample z proportion</u> test statistics.

                     T.S. =  \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }   ~ N(0,1)

where,  \hat p = proportion of users who develop nausea in a sample of 241 subjects =  \frac{54}{241}  

             n = sample of subjects = 241

So, the above hypothesis would be appropriate to conduct the test.

6 0
3 years ago
Y=-3.3x+614.5 please help!
pav-90 [236]

Answer:

the answer is 611.2

how,-3.3x

611.2

=6

there before 614.2 there come always+if there is nothing

then,there is- before-3.3x then rule=

<h3>- + +=-</h3>

so we have to substract it

3 0
3 years ago
Whoever answers first gets the brainliest Given: f(x)=|x|-3 What direction does the graph move ?______ How far?______
Y_Kistochka [10]

Answer:

3 units down

Step-by-step explanation:

Compared to

f(x) = |x|,

f(x) = |x| - 3 moves 3 units down.

6 0
3 years ago
What is the volume, in cubic inches of 1 of the small cubes
Simora [160]

Is there a part A? If so can you post a pic bc there is not enough info to solve the problem rn

5 0
3 years ago
A single die is rolled. Find the probability of rolling an oddnumber or a number less than 6.
mina [271]

Given

A single die is rolled.

To find the probability of rolling an odd number or a number less than 6.

Explanation:

It is given that,

A single die is rolled.

Then, the sample space is,

\begin{gathered} S=\lbrace1,2,3,4,5,6\rbrace \\ n(S)=6 \end{gathered}

Let A be the event of getting an odd number.

Then,

\begin{gathered} A=\lbrace1,3,5\rbrace \\ n(A)=3 \end{gathered}

Let B be the event of getting a number less than 6.

Then,

\begin{gathered} B=\lbrace1,2,3,4,5\rbrace \\ n(B)=5 \end{gathered}

Also,

\begin{gathered} A\cap B=\lbrace1,3,5\rbrace \\ n(A\cap B)=3 \end{gathered}

Therefore,

\begin{gathered} P(A\cup B)=P(A)+P(B)-P(A\cap B) \\ =\frac{n(A)}{n(S)}+\frac{n(B)}{n(S)}-\frac{n(A\cap B)}{n(S)} \\ =\frac{3}{6}+\frac{5}{6}-\frac{3}{6} \\ =\frac{3+5-3}{6} \\ =\frac{5}{6} \end{gathered}

Hence, the answer is 5/6.

5 0
1 year ago
Read 2 more answers
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