A company produces steel rods. The lengths of the steel rods are normally distributed with a mean
of 117.6-cm and a standard deviation of 2.5-cm.
Find the probability that the length of a randomly selected steel rod is greater than 114.1-cm.
PIX> 114.1-cm) =
Enter your answer as a number accurate to 4 decimal places. Answers obtained using exact z-scores
or z-scores rounded to 3 decimal places are accepted.
Help

Question

26-09-2020
Mathematics

contestada

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean
of 117.6-cm and a standard deviation of 2.5-cm.
Find the probability that the length of a randomly selected steel rod is greater than 114.1-cm.
PIX> 114.1-cm) =
Enter your answer as a number accurate to 4 decimal places. Answers obtained using exact z-scores
or z-scores rounded to 3 decimal places are accepted.
Help

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tiedyefamily02 tiedyefamily02 · Answer 1 · 2020-09-26T04:12:36+02:00

Answer:

Step-by-step explanation:

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 142.7-cm and a standard deviation of 2.2-cm.

Find the probability that the length of a randomly selected steel rod is between 137.6-cm and 143.6-cm.

P(137.6-cm < X < 143.6-cm) =

Enter your answer as a number accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.