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Yuki888 [10]
3 years ago
12

2. For the following, is the stated conclusion reasonable? Why or why not?

Mathematics
1 answer:
lapo4ka [179]3 years ago
8 0

Answer:

Definetely, it is reasonable. You may assume that a pet as a companionship will help the elderly feel more comfortable and therefore, happy. There are a few problems tough:

  • There is no practical way of meassuring 'happiness'.
  • Sometimes, the correlations of two factors may be a coincidence. Scientist should always consider this when they try to claim something byusing some backup logic, like we did.
  • Even tough the statement makes some sense, you need to be aware that maybe is not completly positively correlated. Maybe having 20 more pets does not make an elderly happy if it alredy had 1 or 2.

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What is the slope of a line that is parallel to the line shown
Angelina_Jolie [31]

Answer:

\frac{1}{4}

Step-by-step explanation:

Parallel lines have the same slope

The slope of the line shown is  \frac{1}{4}

Therefore, the slope of the parallel line will also be \frac{1}{4}

3 0
3 years ago
Find the largest number. 16.3, 15.7, 16.9, 15.8
Oksana_A [137]

Answer:

16.9

Step-by-step explanation:

7 0
3 years ago
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What is (2-7x)+34-6-(758+8)
pickupchik [31]

Step-by-step explanation:

2- 7x + 34 - 6-(766)

2-7x + 34 - 6 - 766

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5 0
2 years ago
Suppose the lifetime of a cell phone battery is normally distributed with a mean of 36 months and a standard deviation of 2 mont
solong [7]

Answer:

They should guarantee the lifetime of their batteries for 32 months.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 36 months and a standard deviation of 2 months.

This means that \mu = 36, \sigma = 2

If the company wants to replace no more than 2% of all batteries, for how many months should they guarantee the lifetime of their batteries?

The guarantee should be the 2th percentile of lengths, which is X when Z has a pvalue of 0.02. So X when Z = -2.054.

Z = \frac{X - \mu}{\sigma}

-2.054 = \frac{X - 36}{2}

X - 36 = -2.054*2

X = 31.89

Rounding to the closest month, 32.

They should guarantee the lifetime of their batteries for 32 months.

3 0
2 years ago
I really dont get it help asap I have 5 more papers Togo ;-;
barxatty [35]
You can use the app photo math to get the answer it’s free, hope this helps!
4 0
2 years ago
Read 2 more answers
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