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Hoochie [10]
2 years ago
8

Whats -5/3+ 2 1/3 please help i dont wanna failPLWASEEE

Mathematics
1 answer:
Softa [21]2 years ago
7 0

Step-by-step explanation:

=  -  \frac{5}{3}  + 2 \frac{1}{3}

= - \frac{5}{3} +  \frac{7}{3}

=  \frac{2}{3}

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Ted wanted to determine if one brand of paper towels​ (Brand A) was stronger than another brand​ (Brand B). He performed a study
Mila [183]

Answer:

C) A​ one-tail test will be performed since the alternative hypothesis contains a​ "less than".

Step-by-step explanation:

Test may be categorized as being one tailed or two tailed depending on the inequality sign used when defining the hypothesis ` ; Hypothesis whereby the alternative hypothesis takes a not equal to (≠) are categorized as two talked as the direction of does not point to either the left or right. Conversely, alternative hypothesis which takes a less Than sign or takes a greater Than sign are classed as being one tailed as the they point to a specified direction..

For the scenario given : we are to test the claim that one is stronger than the other ;

For this knid if test it has been stated explicitly that one is greater than another ;

H0 : μ = μ

H0 : μ < μ

4 0
2 years ago
Please help me please!!!
Tju [1.3M]
B -3, hope it helps:)
4 0
2 years ago
I don’t know how to do this?
QveST [7]

Answer:


Step-by-step explanation:

If 70 is 50% then 140 is 100%.

c is 75% of 140 = 105

a is 25% of 140 = 35

b is 100% of 140 =140

4 0
2 years ago
Find the difference: 48.23 – 9.675
STALIN [3.7K]

Answer: 38.555

Step-by-step explanation:

4 0
3 years ago
In a recent survey, 10 percent of the participants rated Pepsi as being "concerned with my health." PepsiCo's response included
hichkok12 [17]

Answer:

The statistic for this case would be given by:

z=\frac{0.18 -0.1}{\sqrt{\frac{0.1(1-0.1)}{100}}}=2.67  

Step-by-step explanation:

Infromation provided

n=100 represent the random sample selected

X=18 represent the people who rates Pepsi as being "concerned with my health"

\hat p=\frac{18}{100}=0.18 estimated proportion of people who rates Pepsi as being "concerned with my health"

p_o=0.1 is the value that reference to compare

z would represent the statistic

Hypothesis to test

For this case we can assume that the interest is check if the proportion of people who rates Pepsi as being "concerned with my health" is equal to 0.1 or not , then the system of hypothesis are:

Null hypothesis:p=0.1  

Alternative hypothesis:p \neq 0.1  

The satistic for this one sample proportion test is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info given we got:

z=\frac{0.18 -0.1}{\sqrt{\frac{0.1(1-0.1)}{100}}}=2.67  

7 0
3 years ago
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