Question

Suppose we have a binomial experiment in which success is defined to be a particular quality or attribute that interests us.

(a) Suppose n = 30 and p = 0.20. (For each answer, enter a number. Use 2 decimal places.) n·p =____ n·q =_____

Can we approximate p̂ by a normal distribution? Why? (Fill in the blank. There are four answer blanks. A blank is represented by _____.) _____, p̂ _____ be approximated by a normal random variable because _____ _____.

first blank Yes or No

second blank can or cannot

third blank n·p does not exceed n·p and n·q do not exceed n·p exceeds both n·p and n·q exceed n·q does not exceed n·q exceeds

fourth blank (Enter an exact number.)

What are the values of μp̂ and σp̂? (For each answer, enter a number. Use 3 decimal places.) μp̂ = mu sub p hat = σp̂ = sigma sub p hat =

(b) Suppose n = 25 and p = 0.15. Can we safely approximate p̂ by a normal distribution? Why or why not? (Fill in the blank. There are four answer blanks. A blank is represented by _____.) _____, p̂ _____ be approximated by a normal random variable because _____ _____.

first blank Yes No

second blank can or cannot

third blank n·p does not exceed n·p and n·q do not exceed n·p exceeds both n·p and n·q exceed n·q does not exceed n·q exceeds

fourth blank (Enter an exact number.)

(c) Suppose n = 53 and p = 0.22. (For each answer, enter a number. Use 2 decimal places.) n·p = n·q = Can we approximate p̂ by a normal distribution? Why? (Fill in the blank. There are four answer blanks. A blank is represented by _____.) _____, p̂ _____ be approximated by a normal random variable because _____ _____.

first blank Yes No

second blank can or cannot

third blank n·p does not exceed n·p and n·q do not exceed n·p exceeds both n·p and n·q exceed n·q does not exceed n·q exceeds

fourth blank (Enter an exact number.)

What are the values of μp̂ and σp̂? (For each answer, enter a number. Use 3 decimal places.) μp̂ = mu sub p hat = σp̂ = sigma sub p hat =

Answer #1

Suppose we have a binomial experiment in which success
is defined to be a particular quality or attribute that interests
us.
(a)
Suppose n = 31 and p =
0.20.
(For each answer, enter a number. Use 2 decimal places.)
n·p =
n·q =
Can we approximate p̂ by a normal distribution?
Why? (Fill in the blank. There are four answer blanks. A blank is
represented by _____.)
_____, p̂ _____ be approximated by a normal random
variable because _____...

Suppose we have a binomial experiment in which success is
defined to be a particular quality or attribute that interests
us.
(a)
Suppose n = 35 and
p = 0.37.
(For each answer, enter a number. Use 2 decimal places.)
n·p =
n·q =
Can we approximate p̂ by a normal distribution? Why? (Fill
in the blank. There are four answer blanks. A blank is represented
by _____.)
_____, p̂ _____ be approximated by a normal random
variable because _____...

Suppose we have a binomial experiment in which success is
defined to be a particular quality or attribute that interests us.
(a) Suppose n = 28 and p = 0.37. (For each answer, enter a number.
Use 2 decimal places.) n·p = n·q = Can we approximate p̂ by a
normal distribution? Why? (Fill in the blank. There are four answer
blanks. A blank is represented by _____.) _____, p̂ _____ be
approximated by a normal random variable because _____...

Suppose we have a binomial experiment in which success is
defined to be a particular quality or attribute that interests us.
(a) Suppose n = 28 and p = 0.29. (For each answer, enter a number.
Use 2 decimal places.) n·p = n·q = Can we approximate p̂ by a
normal distribution? Why? (Fill in the blank. There are four answer
blanks. A blank is represented by _____.) _____, p̂ _____ be
approximated by a normal random variable because _____...

Suppose we have a binomial experiment in which success
is defined to be a particular quality or attribute that interests
us.
(a) Suppose n = 42 and p = 0.40. (For each answer, enter
a number. Use 2 decimal places.)
n·p =
n·q =
Can we approximate p̂ by a normal distribution? Why?
(Fill in the blank. There are four answer blanks. A blank is
represented by _____.)
_____, p̂ _____ be approximated by a normal random
variable because _____...

Suppose we have a binomial experiment in which success is
defined to be a particular quality or attribute that interests
us.
(a) Suppose n = 39 and p = 0.23. (For each answer, enter a
number. Use 2 decimal places.)
n·p =
n·q =
Can we approximate p̂ by a normal distribution? Why? (Fill in
the blank. There are four answer blanks. A blank is represented by
_____.) _____, p̂ _____ be approximated by a normal random variable
because _____...

Suppose we have a binomial experiment in which success is
defined to be a particular quality or attribute that interests us.
(a) Suppose n = 34 and p = 0.25. (For each answer, enter a number.
Use 2 decimal places.) n·p = n·q = Can we approximate p̂ by a
normal distribution? Why? (Fill in the blank. There are four answer
blanks. A blank is represented by _____.) _____, p̂ _____ be
approximated by a normal random variable because _____...

Suppose we have a binomial experiment in which success is
defined to be a particular quality or attribute that interests
us.
(a) Suppose n = 35 and p = 0.33. (For each answer, enter a
number. Use 2 decimal places.) n·p = n·q = Can we approximate p̂ by
a normal distribution? Why? (Fill in the blank. There are four
answer blanks. A blank is represented by _____.) _____, p̂ _____ be
approximated by a normal random variable because _____...

Suppose we have a binomial experiment in which success is
defined to be a particular quality or attribute that interests
us.
(a)
Suppose n = 42 and
p = 0.30.
(For each answer, enter a number. Use 2 decimal places.)
n·p =
n·q =
Can we approximate p̂ by a normal distribution? Why? (Fill
in the blank. There are four answer blanks. A blank is represented
by _____.)
_____, p̂ _____ be approximated by a normal random
variable because _____...

Suppose we have a binomial experiment in which success is
defined to be a particular quality or attribute that interests
us.
(a)
Suppose n = 45 and
p = 0.38.
(For each answer, enter a number. Use 2 decimal places.)
n·p =
n·q =
Can we approximate p̂ by a normal distribution? Why? (Fill
in the blank. There are four answer blanks. A blank is represented
by _____.)
_____, p̂ _____ be approximated by a normal random
variable because _____...

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