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Misha Larkins [42]
3 years ago
7

A recipe for sparkling lemonade calls for 4 tablespoons of lemonade mix and 12 cups of sparkling water. Find how many tablespoon

s of lemonade mix it takes per cup of sparkling water.​
Mathematics
1 answer:
forsale [732]3 years ago
8 0
12/4 = 3
3 tablespoons per cup
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PLEASE HELP!!!!!
Ad libitum [116K]
X+5=3 is the answer.
8 0
3 years ago
National data indicates that​ 35% of households own a desktop computer. In a random sample of 570​ households, 40% owned a deskt
Elan Coil [88]

Answer:

Yes, this provide enough evidence to show a difference in the proportion of households that own a​ desktop.

Step-by-step explanation:

We are given that National data indicates that​ 35% of households own a desktop computer.

In a random sample of 570​ households, 40% owned a desktop computer.

<em><u>Let p = population proportion of households who own a desktop computer</u></em>

SO, Null Hypothesis, H_0 : p = 25%   {means that 35% of households own a desktop computer}

Alternate Hypothesis, H_A : p \neq 25%   {means that % of households who own a desktop computer is different from 35%}

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

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

where, \hat p = sample proportion of 570​ households who owned a desktop computer = 40%

            n = sample of households = 570

So, <u><em>test statistics</em></u>  =  \frac{0.40-0.35}{{\sqrt{\frac{0.40(1-0.40)}{570} } } } }

                               =  2.437

<em>Since, in the question we are not given with the level of significance at which to test out hypothesis so we assume it to be 5%. Now at 5% significance level, the z table gives critical values of -1.96 and 1.96 for two-tailed test. Since our test statistics doesn't lies within the range of critical values of z so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which we reject our null hypothesis.</em>

Therefore, we conclude that % of households who own a desktop computer is different from 35%.

3 0
3 years ago
Graph the linear equation to find three points that solve the equation then plot on the graph negative -x -4y =-18​
Eddi Din [679]
X
=
18
−
4
y good luck buddy
7 0
3 years ago
Find volume of the specified cone use 3.14 round number to the nearest whole number radius 9 in ,height 8 in
mixas84 [53]

Answer:

678 cu. in.

Step-by-step explanation:

hope this helps!

6 0
3 years ago
Read 2 more answers
ANYONE PLZZZ THIS IS DUE IN AN HOUR. Will mark the brainliest
aleksley [76]

Answer:

0.96 in^3

Step-by-step explanation:

Are those the only three choices? Anyway, I hope this helps

6 0
3 years ago
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