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Viktor [21]
3 years ago
12

Need answer ASAP plssss

Mathematics
1 answer:
Marysya12 [62]3 years ago
7 0

Answer:

I believe they ate 4/8. 2 apple and 2 banana muffins makes 4. They still have 4 blueberry muffins left. so 4/8

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What is the value of x? 6x – 2 (x + 4) = 12<br><br>​
Nadusha1986 [10]

let's solve for x :

  • 6x - 2(x + 4) = 12

  • 6x - 2x - 8 = 12

  • 4x = 12 + 8

  • x =  \dfrac{20}{4}

  • x = 5

hence value of x = 5

8 0
2 years ago
The Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company, claims that the sales
mihalych1998 [28]

Answer:

We conclude that the mean number of calls per salesperson per week is more than 37.

Step-by-step explanation:

We are given that the Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company, claims that the sales representatives make an average of 37 sales calls per week on professors.

To investigate, a random sample of 41 sales representatives reveals that the mean number of calls made last week was 40. The standard deviation of the sample is 5.6 calls.

<em><u>Let </u></em>\mu<em><u> = true mean number of calls per salesperson per week.</u></em>

SO, <u>Null Hypothesis</u>, H_0 : \mu \leq 37   {means that the mean number of calls per salesperson per week is less than or equal to 37}

<u>Alternate Hypothesis,</u> H_A : \mu > 37   {means that the mean number of calls per salesperson per week is more than 37}

The test statistics that will be used here is <u>One-sample t test statistics</u> as we don't know about the population standard deviation;

                        T.S.  = \frac{\bar X -\mu}{\frac{s}{\sqrt{n} } }  ~ t_n_-_1

where, \bar X = sample mean number of calls made last week = 40

             s = sample standard deviation = 5.6 calls

             n = sample of sale representatives = 41

So, <em><u>test statistics</u></em>  =   \frac{40-37}{\frac{5.6}{\sqrt{41} } }  ~ t_4_0

                               =  3.43

Hence, the value of test statistics is 3.43.

<em>Now at 0.025 significance level, the t table gives critical value of 2.021 at 40 degree of freedom for right-tailed test. Since our test statistics is more than the critical value of t as 3.43 > 2.021, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region.</em>

Therefore, we conclude that the mean number of calls per salesperson per week is more than 37.

4 0
3 years ago
Please help it would be greatly appreciated:)
mixer [17]

Answer:

I really don't know but can u help with mine-_-

6 0
3 years ago
Read 2 more answers
-x+2y=11 for 3 points
SOVA2 [1]
<span>2y-x=11</span>
<span>-x=11-2y
</span><span>x=-11+2y
</span><span><span>x=2y-11</span><span>
</span></span>
6 0
3 years ago
Why am this point be labeled with two names; 1 1/2 and 3/2
kakasveta [241]
3/2 is an improper fraction, where the denominator (bottom number) is smaller than the top (numerator)
1  1/2 is this same fraction but now it is not improper.  
5 0
3 years ago
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