Answer:
(1/2,-5/2)
Step-by-step explanation:
Answer:
75*25%+(38+40)*50%+85*25%=59.5
Step-by-step explanation:
the complete question is Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute. The original pulse rates are measure with units of "beats per minute". What are the units of the corresponding z scores? Choose the correct choice below.
A. The z scores are measured with units of "beats per minute."
B. The z scores are measured with units of "minutes per beat."
C. The z scores are measured with units of "beats."
D. The z scores are numbers without units of measurement.
we know that
A z-score is the number of standard deviations from the mean a data point is. But more technically it’s a measure of how many standard deviations below or above the population mean a raw score is
The z scores are numbers without units of measurement
therefore
the answer is the option D
Answer:
8,820
Step-by-step explanation:
One candle:
½ × 10 × 7 × 6
= 210 cm³
42 candles:
42 × 210
= 8,820 cm³
Answer:
Step-by-step explanation:
Let number of hours be x
<u>Lakeshore paddle cost:</u>
<u>Lake paddle cost:</u>
<u>Required inequality:</u>
- 10x + 4 < 12x
- 12x - 10x > 4
- 2x > 4
- x > 2
Lakeshore paddle costs less when time of rent is greater than 2 hours
