It would be 0.6571 for the answer
(3d + 3 < or = -1) (5d + 2 > or = 12)
( 3d < or = -4) (5d > or = 10)
(d < or = -4/3) (d > or = 2)
Put a dark dot on -4/3 on the number line, and draw an arrow going left from that point. Put a dark dot on 2 on the number line, and draw an arrow going right from that point.
Answer:
CI=[0.8592,0.9402]
Yes, Method appears to be effective.
Step-by-step explanation:
-We first calculate the proportion of girls born:
Since np, we assume normal distribution and calculate the 99% confidence interval as below:
Hence, the confidence interval is {0.8598, 0.9402]
-The probability of giving birth to a girl is 0.5 which is less than the lower boundary of the confidence interval, it can be concluded that the method appears to be effective.
we have
Find the roots
Equate the function to zero
Group terms that contain the same variable, and move the constant to the opposite side of the equation
Complete the square. Remember to balance the equation by adding the same constants to each side.
Rewrite as perfect squares
Square root both sides
therefore
<u>the answer is</u>
Answer:
P' (1, -4)
Step-by-step explanation:
Hey girl, your pfp be making me want you a lott.