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Mathematics, 22.06.2019 21:00 lindseylewis313

The life of a battery used in a cardiac pacemaker is assumed to be normally distributed. a random sample of 10 batteries is subjected to an accelerated life test by running them continuously at an elevated temperature until failure, and the following lives are obtained: 25.5, 26.1, 26.8 23.2, 24.2, 28.4, 25.0, 27.8, 27.3, 25.7 (a)construct a 90% two-sided confidence interval on mean life in the accelerated test.(b)test the hypothesis, with α= 0.1 that the mean battery life is 26.5 h.

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Answer from: Quest

the infinity sign

step-by-step explanation:

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Answer from: Quest
The answer is that the rate of change is $50 per 1 monthhope this ; )
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Answer from: Quest

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

happy to

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Answer from: Quest

80° is the measure of gh

step-by-step explanation:

circle f is congruent to circle j

we have two circle with center f and j.

both circles are congruent. the radius of the circle would be equal.

see the attachment for the circle.

we are given ∠efd ≅ ∠gjh

therefore, arc (ed) = arc (gh)     (∴ circle f is congruent to circle j)

but ∠dfe=80°=arc (ed)

therefore, arc (gh) = 80°

thus, 80° is the measure of gh

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The life of a battery used in a cardiac pacemaker is assumed to be normally distributed. a random sa...

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