Answer:
b = 61
Step-by-step explanation:
The sum of the two angles is 90 degrees
b+29 = 90
Subtract 29 from each side
b+29 -29 = 90 -29
b = 61
Answer:
59% chance
Step-by-step explanation:
Statistics from the past ten years predict that the chance of rain on any single day in April in Asha’s hometown is 41%. If Asha’s birthday is April 10, what is the chance of it not raining on Asha’s birthday?
Asha's birthday in in April. The chance of rain on any single day in April is 41%. So, there is a 41% chance of rain.
But, that's not what the problem is asking for. The problem is asking for the chance of <em>not</em> raining. To solve for this, we use simple algebra.
100%(all of the time) - 41%(how much it happens) = 59%
The 59% is the chance of it not raining on Asha's birthday.
Hope this helps! Happy birthday, Asha!
Answer:
Step-by-step explanation:
Note that the sine wave is shifted up by 1/2 and the peak is at 5/2 so subtract the 1/2 from the 5/2 to get the amplitude of this wave.
It's 2
Answer:
The minimum sample size required is 207.
Step-by-step explanation:
The (1 - <em>α</em>) % confidence interval for population mean <em>μ</em> is:
The margin of error of this confidence interval is:
Given:
*Use a <em>z</em>-table for the critical value.
Compute the value of <em>n</em> as follows:
Thus, the minimum sample size required is 207.