Consider the following hypothesis test:
H0: p ≥ 0.75
Ha: p < 0.75
A sample of 300 items was selected. Compute the p-value and
state your conclusion for each of the following sample results. Use
α = .05.
Round your answers to four decimal places.
a. p = 0.67 p-value _____?
b. p = 0.75 p-value _____?
c. p = 0.7 p-value _____?
d. p = 0.77 p-value _____?
Consider the following hypothesis test:
H0: p ≥ 0.75
Ha: p < 0.75
A sample of 300 items was selected. Compute the p-value
and state your conclusion for each of the following sample results.
Use = .05.
Round your answers to four decimal places.
b. = 0.74
p-value is
c. = 0.78
p-value is
67. Suppose that P(B) = 0.4, P(A|B) = 0.1 and P(A|B^c) =
0.9
(a) Calculate P(A)
(b) Calculate P(A|B)
71. Suppose a couple decides to have three children.
Assume that the sex of each child is independent, and the
probability of a girl is 0.48, the approximate figure in the
US.
(a) How many basic outcomes are there for this
experiment? Are they equally likely?
(b) What is the probability that the couple has at least
one girl?
104. A...
Let P(A) = 0.40, P(B) = 0.20, P(C) = 0.50, P(D) = 0.30, P(A ∩ B)
= 0.15, P(A | C) = 0.60, P(B | C) = 0.20, P(B ∩ D) = 0.10, and C
and D are mutually exclusive.
Find ...
a. P(C ∩ D)
b. P(C U D)
c. P(B ∩ C)
d. Which one of the following pairs is a pair of statistically
independent events? (A and C) (B and D) (B and C) (C and D)
a)Using a 0.15 M Acetate buffer with a pH of 4.9, you
add 0.75 mL of 0.08 M HCl to 73 mL of the buffer. What is
the new pH of the solution? (Enter your answer to three significant
figures.)
b)
Using a 0.15 M Acetate buffer with a pH of 4.9, you add
0.75 mL of 0.08 M NaOH to 73 mL of the buffer. What is the
new pH of the solution? (Enter your answer to three significant...