To solve this we must be knowing each and every concept related to pregnancy. Therefore, the probability that a randomly selected mother in North Carolina gained weight is 85.71%.
What is pregnancy?The time between conception and birth. After an egg gets fertilized by sperm and deposited in the uterine lining, it grows into a placenta, embryo, and, eventually, a baby.
Z-scores are numerical numbers that may be used to determine the location of a data point inside its distribution. A z-score is derived by subtracting each data point first from mean then the result is divided by the standard deviation of the distribution.
Z=x−μ/σ
Z=15−0.23/13.84
Z=14.77/13.84
Z=1.067196532=85.71%.
Therefore, the probability that a randomly selected mother in North Carolina gained weight is 85.71%.
To learn more about pregnancy, here:
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