sessment/showtest.php?action skip&to-4; ath Home l My Classes Help I LogOut Jaim

Question

sessment/showtest.php?action skip&to-4; ath Home l My Classes Help I LogOut Jaime To Calendar Gradebook ata Analysis T/R > Assessment Due in 18 hours, 18 minutes. Due Fri 02/16/2018 7:00 a A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 259 2-cm and a standard deviation of 2.2-cm Find P32which is the length separating the shortest 32% rods from the longest 68% Enter your answer as a number accurate to 1 decimal place Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted Points possible: 2 This is attempt 1 of 1. Submit lip

Explanation / Answer

P(X < x) = 0.32

or, P((X - mean)/sd < (x - 259.2)/2.2) = 0.32

or, P(Z < (x - 259.2)/2.2) = 0.32

or, (x - 259.2)/2.2 = 0.6255

or, x = 0.6255 * 2.2 + 259.2

or, x = 260.6

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.