The point Estimate is 0.645 , the confidence interval is (0.525 ,0.764).
<h3>What is Point Estimate ?</h3>
The point estimate is the proportion of success in the sample.
From the data given
p = 40/62
p = 0.645
The point Estimate is 0.645
(b) Confidence interval for true proportion is

For 95 % Z = 1.96
p =0.645
1-p = 0.355
putting the values

(0.525 , 0.764)
Lower Limit = 0.525
Upper Limit = 0.764
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Answer:
A∩B={
}
B is a proper subset of A:
B⊂A
Step-by-step explanation:
A∩B means the intersection of the set A and the set B. In other words, is the set of elements contained in these both sets.
Given the set A and the set B:
{
}
{
}
You can indentify that the numbers common in both sets are: 25,45 and 65.
Therefore you get:
A∩B={
}
Since all elements of B are in A, and A contains elements that are not in B, then B is a proper subset of A:
B⊂A
The cost for plan A and plan B at a discount warehouse is $57 and $153 respectively.
<h3>Equation</h3>
Plan A:
Manufacturer's recommended list price = 90%
= 90% × 30
= 0.9 × 30
= $27
Total cost of plan A = $30 + $27
= $57
Plan B:
Manufacturer's recommended list price = 70%
= 70% × 90
= 0.7 × 90
= $63
Total cost of plan B = $90 + $63
= $153
Therefore, the cost for plan A and plan B at a discount warehouse is $57 and $153 respectively.
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Answer:
Step-by-step explanation:
Answer:
62-24=38
or 24 + x = 62
Step-by-step explanation: