X is less than or equal to -8 graphed on a number line
1 answer:
What you must do for this case is to take all the numbers that satisfy the following inequality
x <= - 8
Notice that the inequality solution is
(-inf, -8]
In the graph the parenthesis implies that the value of minus infinity is not included. The bracket implies that the value x = -8 is included in the solution of the inequality.
See attached graph.
x <= - 8
Notice that the inequality solution is
(-inf, -8]
In the graph the parenthesis implies that the value of minus infinity is not included. The bracket implies that the value x = -8 is included in the solution of the inequality.
See attached graph.
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Answer:
A) 2.58
B) 1.96
C) 1.65
Step-by-step explanation:
A hypothesis used to test that
against the alternatives not equal to 10
if null hypothesis is true, then distribution of test statics follow
for two sided alternatives hypothesis , then P value is
(1)
a)significance level
from 1 eq we get
Therefore FROM Z TABLE
B) significance level
from 1st equation we get
Therefore FROM Z TABLE
C) significance level
from 1 eq we get
Therefore FROM Z TABLE