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What’s the pattern. 28 and 7. 16 and ___. 1 and ___. ___ and 5. 0 and ___
1 answer:
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The axis of symmetry is x=t where t is a constant
for f(x)=ax²+bx+c, the value of t is
so given
f(x)=2x²+4x+2
a=2
b=4
so t is
or 
or -1
the axis of symmetry is x=-1
for f(x)=ax²+bx+c, the value of t is
so given
f(x)=2x²+4x+2
a=2
b=4
so t is
the axis of symmetry is x=-1
Answer:
this is a left tailed test
Null hypothesis, σ = 40 seconds
Alternate hypothesis, σ < 40 seconds.
Step-by-step explanation:
i) the standard deviation of duration times in seconds of the old faithful geyser is less than 40 sec. identify the null hypothesis and alternative hypothesis in symbolic form
ii) this is a left tailed test
Null hypothesis, σ = 40 seconds
Alternate hypothesis, σ < 40 seconds.