I WILL MARK BRAINLIST help asap 7grade math!!!!

Mathematics

1 answer:

Ymorist [56]2 years ago

8 0

-4/5 and -1/2
Taking the LCM of the 2 fractions we get the common denominator 10

-8/10 and - 5/10

Now we can see the second fraction (-5/10) is bigger
Thus the friend is wrong

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A software company decided to conduct a survey on customer satisfaction. Out of 564 customers who participated in the online sur

nikklg [1K]

Answer:

$z=\frac{0.0904 -0.1}{\sqrt{\frac{0.1(1-0.1)}{564}}}=-0.760 \approx -0.8$

$p_v =2*P(z$

Step-by-step explanation:

Information given

n=564 represent the sample selected

X=51 represent the number of people who rated the overall services as poor

$\hat p=\frac{51}{564}=0.0904$ estimated proportion of people who rated the overall services as poor

$p_o=0.1$ is the value to compare

z would represent the statistic

Hypothsis to analyze

We want to analyze if the proportion of customers who would rate the overall car rental services as poor is 0.1, so then the system of hypothesis are:

Null hypothesis: $p=0.1$