Suppose a simple random sample of size nequals1000 is obtained from a population whose size is Nequals1 comma 500 comma 000 and whose population proportion with a specified characteristic is p equals 0.26 . Complete parts (a) through (c) below.
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Part 1
(a) Describe the sampling distribution of ModifyingAbove p with caret.
A.
Approximately normal, mu Subscript ModifyingAbove p with caretequals0.26 and sigma Subscript ModifyingAbove p with caretalmost equals0.0002
B.
Approximately normal, mu Subscript ModifyingAbove p with caretequals0.26 and sigma Subscript ModifyingAbove p with caretalmost equals0.0004
C.
Approximately normal, mu Subscript ModifyingAbove p with caretequals0.26 and sigma Subscript ModifyingAbove p with caretalmost equals0.0139
Part 2
(b) What is the probability of obtaining xequals290 or more individuals with the characteristic?
P(xgreater than or equals290)equals
enter your response here (Round to four decimal places as needed.)
Part 3
(c) What is the probability of obtaining xequals220 or fewer individuals with the characteristic?
P(xless than or equals220)equals
enter your response here (Round to four decimal places as needed.)