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Alja [10]
3 years ago
8

Okay I do not get questions like this ..

Mathematics
1 answer:
liberstina [14]3 years ago
8 0
The answer is D cuz its a +ve parabola and symmetric to the x axis
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One of your friends is testing the effect of drinking coffee on the duration of cold symptoms. The common cold lasts, on average
Nonamiya [84]

Answer:

0.0930

Step-by-step explanation:

Given that one of your friends is testing the effect of drinking coffee on the duration of cold symptoms. The common cold lasts, on average, 6 days.

she tests a one-sided alternative about the population mean cold duration when drinking coffee, H0: μcoffee = 6 Ha: μcoffee < 6 She finds z = −1.68 with one-sided P-value P = 0.0465.

If hypotheses changed to two tailed as:

H_0: \mu_{coffee}  = \mu_{tea}\\H_a: \mu_{coffee}\neq \mu_{tea}

(Two tailed test)

Since we have mean difference and std error the same, test statistic would remain the same.

p value for two tailed would be = twice the p value for one tail

=2(0.0465)\\= 0.0930

6 0
3 years ago
Room temperature is considered to be 70 Fahrenheit. suppose the temperature is 23 Celsius. Is this greater than or less than roo
Thepotemich [5.8K]
Yes its actually 73.4 degrees Fahrenheit
7 0
2 years ago
In a class of 24 stundents 13 students sold over 150 raffle tickets each and the rest of the class sold about 60 raffle tickets
Lisa [10]
Yes, 13•150=1950 and then 11•60=660 so combined they equal 2610
4 0
3 years ago
Im in love with men and love men in my butt it feels so good
kari74 [83]

Answer:

period

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5 0
2 years ago
Help me please! Write the measure of angles a, b, c, d, e, f, and g for the figure below.
Lina20 [59]

Answer:

a=55

b=55

c=125

d=125

e=55

f=55

g=125

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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