Please help me!! Really fast please
2 answers:
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Answer:
209 points
Step-by-step explanation:
Mean points scored (μ) = 182 points
Standard deviation (σ) = 14 points
The z-score for any given game score 'X' is defined as:
At, the 97th percentile of a normal distribution, the z-score, according to a z-score table, is 1.881.
Therefore, the minimum score, X, needed for a bowler to receive a trophy is:
Since only whole point scores are possible, X=209 points.
Answer: 0.129
Step-by-step explanation:
Let denotes a random variable that represents the mean weight of babies born.
Population mean :
Standard deviation:
Sample size = 83
Now, the probability that the mean weight of the sample babies would differ from the population mean by greater than 54 grams will be :
hence, the required probability = 0.129