3 years ago

P= A. i B. -1 C. -i D. 1

Mathematics

1 answer:

Molodets [167]3 years ago

7 0

Answer:

la respuesta es capó la B

Step-by-step explanation:

xeos para rellenar ti dirección para saber cómo está buenardo que la mujer de mi celular no puedo consultar con ningún compañero

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3 years ago

Lexie, a bowler, claims that her bowling score is more than 140 points, on average. Several of her teammates do not believe her,

Crazy boy [7]

Answer:

The test statistic is $t = 3.744$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 140$

The The level of significance is $\alpha = 0.05$

The sample size is n = 18

The null hypothesis is $H_o : \mu = 140$

The alternative hypothesis is $H_a : \mu > 140$

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The standard deviation is $\sigma = 17$

Generally the test statistics is mathematically represented as

$t = \frac{\= x - \mu }{ \frac{ \sigma}{ \sqrt{n} } }$

substituting values

$t = \frac{ 155 - 140 }{ \frac{ 17 }{ \sqrt{18} } }$

$t = 3.744$

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3 years ago

Please help .........

Grace [21]

Answer:

+10

Step-by-step explanation:

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3 years ago

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Show all work please!!!!!!

sergij07 [2.7K]

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(point1 + point2)/2

1) (-2 + 12)/2 = 5

2) (-1 +5)/2 = 2
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3) Sqrt of (x2-x1)^2 + (y2 - y1)^2
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Hope this helps!

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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