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7nadin3 [17]
3 years ago
6

How would dry climates affect a population's density

Social Studies
1 answer:
stira [4]3 years ago
4 0

Answer:

Increases in global temperatures have created concern about effects of climatic variability on populations, and climate has been shown to affect population dynamics in an increasing number of species.

Explanation:

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A survey asked 26 adults how many years of education they had. The sample mean was 13.03 with a standard deviation of 3.22. It i
yulyashka [42]

Answer: (11.95, 14.11)

Explanation:

Let x be a random variable that represent the number of years of education.

Given: Sample size : n= 26

Sample mean : \overline{x}=13.03

Sample standard deviation : s = 3.22

Significance level : \alpha=100\%-90\%=10\%=0.1

Degree of freedom: df = n-1 = 25

Critical t-value for \alpha=0.1 and df = 25 will be

t_{\alpha/2, df}=t_{0.05,25}=1.7081

90% confidence interval for mean:

\overline{x}\pm t_{\alpha/2,df}\dfrac{s}{\sqrt{n}}\\\\=13.03\pm (1.7081)\dfrac{3.22}{\sqrt{26}}\\\\=13.03\pm  (1.7081)\dfrac{3.22}{5.09902}\\\\=13.03\pm 1.08\\\\=(13.03-1.08,\ 13.03+1.08)\\\\ =(11.95,\ 14.11)

A 90% confidence interval for the mean number of years of education = (11.95, 14.11)

5 0
3 years ago
Psychologists use _____ to study the role of the brain in psychological processes.
guapka [62]
Neuroscience is the process they use
7 0
3 years ago
Read 2 more answers
Can someone pls help me with this?
andrew-mc [135]
Is this a book or just general questions?
4 0
3 years ago
By studying how quickly rats pressed levers for food pellets before and after surgery that removed parts of their brains, Karl L
alexandr1967 [171]

Answer:

TRUE

Explanation:

Karl Lashley hoped to discover the precise spot in the brain where learning occurs by studying how rats would act towards a previously  learned process after removing parts of their brains

Karl  Lashley developed the equipotentiality hypothesis through this process. during his study he trained some rats on the correct route in a maze before damaging/removing some parts of their brain. he did this to know if he can be able to remove the precise spot for learning. but the rats still found their way inside the maze.

6 0
3 years ago
From Hebrews 6:13-20:What specific reason does this passage give for God confirming His immutable counsel with an oath?to rebuke
ollegr [7]

Answer:

to place our hope in God's promise to us  

Explanation:

In Hebrews 6: 13-20 we can read about how we can place our hope in God, because he is immutable and totally true, so his promises are real and will happen efficiently and satisfactorily. God made promises to Abram and many other biblical heroes and prophets and kept all promises, because in his name everything is done.

In this case, we can interpret, through this biblical passage, that we can place our hope in God, because his faithfulness is real.

7 0
3 years ago
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