Answer:
To answer you question, we need the confidence internals formula, μ±Zc*(σ/
); N is the 20 psychology students, 0.5 the desviation standar and 4.3 is the medium based on national data, every fact in years.
Step-by-step explanation:
You need to consult the Zc value, you can find this table attached in this question; for 95%, we have a Zc value of 1.96.
Next step replace values: 4.3±1.96*(0.5/
) = 4.3±0.22 (rounding the result)
So, the confidence interval are:
4.08cm≤X≤4.52cm
Answer:
5.2561
step by step explanation:
using BODMAS, multiplication comes before addition.
Therefore,
Therefore the answer is
5.2561
85 / 5
(50 + 35) / 5 =
(50/5) + (35/5) =
10 + 7 = 17
Answer:
Checkpoint B = (-9,5)
Step-by-step explanation:
Here is an image of the graph and coordinates.
Answer:
f(1)=34 ; f(n)= f(n-1) +6, for n >2
Step-by-step explanation:
arithmetic sequence
