Answer:
m<4= 81 by the alternate interior postulate
Answer:
b=5..............is the answer
Answer:
The correct answer is 0.4559.
Step-by-step explanation:
Number of degrees in mathematics given by U.S colleges and universities in the most recent year = 16,071
73% were bachelor's degrees= 73% of 16071 = 11731
Women who earned the bachelor's degree = 48% of 11731 = 5630
21% were master's degrees= 21% of 16071 = 3374
Women who earned the masters's degree = 42% of 3374 = 1417
The rest degree were doctorates= 16071 - 11731 - 3374 = 966.
Women who earned the doctorates degree = 29% of 966 = 280
Total number of women who got mathematics degree = 280 + 1417 + 5630 = 7327.
We need to choose a mathematics degree at random and find the probability that it was awarded to a woman
Probability =
= 0.4559
Answer:
p-value (0.0208) is less than alpha = 0.05 reject H0.
Step-by-step explanation:
we have the following data:
sample size = n = 75
x, the number to evaluate is 45
the sample proportion would be: x / n = 45/75
p * = 0.6
Now, the null and alternative hypotheses are:
H0: P = 0.72
Ha: P no 72
two tailed test
statistic tes = z = (p * - p) / [(p * (1-p) / n)] ^ (1/2)
replacing we have:
z = (0.6 - 0.72) / [(0.72 * (1-0.72) / 75)] ^ (1/2)
z = -2.31
p-vaule = 2 * p (z <-2.31)
using z table, we get:
p-vaule = 2 * (0.0104)
p-vaule = 0.0208
Therefore, p-value (0.0208) is less than alpha = 0.05 reject H0.