Kayla is blowing up balloons for her sister’s birthday party. She tries to blow up each balloon to a maximum diameter of 5 inche
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Substitue 2x for y in the second equation:
Rearrange to
Factor:
Zeros are
To find y-coordinates of pts of intersection, plug these x-values into first equation to get
Answer:
The answer is below
Step-by-step explanation:
The z score is a score used to determine the number of standard deviations by which the raw score is above or below the mean, it is given by the equation:
Given that μ = 650, σ = 50. To find the probability that 5 students who have a mean of 490, we use:
From the normal distribution table, P(x < 490) = P(Z < -7.16) = 0.0001 = 0.01%
Since only a small percentage of people score about 490, hence the local newspaper editor should write a scathing editorial about favoritism