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IceJOKER [234]
3 years ago
13

Izabella answered 43 out of 50 questions correctly on her STAAR test. What percentage did Izabella answer correctly?

Mathematics
1 answer:
a_sh-v [17]3 years ago
6 0

Answer:

Step-by-step explanation:

86 percent i hole this helps!

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Find the critical value z alpha/2 that corresponds to the given confidence level. ​81%
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Critical values are basically cut-off values that indicate regions where the test statistic is unlikely to lie. The required critical value is 1.31.

<h3></h3><h3>What are critical Values?</h3>

Critical values are basically cut-off values that indicate regions where the test statistic is unlikely to lie; for example, if the null hypothesis is true, the critical value is surpassed with probability alpha.

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brainly.com/question/14508634

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