Answer:
0.078 or 7.8%
Step-by-step explanation:
Mean salary (μ) = $37,764
Standard deviation (σ) = $5,100
The z-score for any given teacher's salary in California, X, is determined by:
For X = $45,000:
A z-score of 1.419 corresponds to the 92.20th percentile of a normal distribution. Therefore, the probability that a salary is greater than $45,000 is:
The probability is 0.078 or 7.8%.
Answer:
Her first coupon ti be used is $50 off a purchase above $300
Final purchase price= $340
Step-by-step explanation:
Marie has two coupons
one for a 15% discount and one for $50 off any purchase above $300.
The stores allow the two coupons to be combined and she spends a total of $450.
Her first coupon ti be used is $50 off a purchase above $300.
So Marie have $400 now
15% off $400= 400-(0.15*400)
15% off $400 = 400-60
15% off $400 =$ 340
Answer:
3 tickets
Step-by-step explanation:
Remember, a circle has 360 degrees. Therefore, an angle of 51 degrees would be 51/360 of a circle.
HOWEVER, both the numerator and denominator can be simplified by a factor of 3.
51 / 3 = 17
360 / 3 = 120
Therefore, the final fraction is 17/120.
Mya will have 19.5 pages of Fatia has 13 pages.