The heights of 1800 adults are normally distributed with a mean of 70 inches and a standard deviation of 2 inchesAbout how many adults are between 66 and 74 inches??What is the probability that a random adults more than 72inches tall?? 2) The heights of 1800 adults are normally distributed with a mean of 70 inches and a standard deviation of 2inches.a) About how many adults are between 66 and 74 inches? Using the Empirical Rule20102-5 bns noliudi15hunb lemon lo osto on15.0g 2 d onimsteb w ob woh1) A normal distribution had a mean of 21 and a standard deviation of 4.bto agaln to udalaa) Find the range of values that represent the middle 68% of the distribution.b) What percent of the data will be greater than 29?llo2) The heights of 1800 adults are normally distributed with a mean of 70 inches and a standard deviation of 2inches.a) About how many adults are between 66 and 74 inches? upe i enus edt sbnu sens leto orirbiw sleb to 1muoms an insngon sv sebnu s16of boeu sd neo olu laniqmoT Ievistni ent nidiw alle eulv sieb mobab) What is the probability that a random adult is more than 72 inches tall?olu leohic16b enlosbnstz E idw list sieb

1. a) Empirical rule: The probability of the observation lies within 1 standard deviation of the…

The heights of 1800 adults are normally distributed with a mean of 70 inches and a standard deviation of 2 inches About how many adults are between 66 and 74 inches?? What is the probability that a random adults more than 72inches tall??

The heights of 1800 adults are normally distributed with a mean of 70 inches and a standard deviation of 2 inches About how many adults are between 66 and 74 inches?? What is the probability that a random adults more than 72inches tall??

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 14PPS

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Question

2) The heights of 1800 adults are normally distributed with a mean of 70 inches and a standard deviation of 2
inches.
a) About how many adults are between 66 and 74 inches?

Using the Empirical Rule
20102-5 bns noliudi
15
hunb lemon lo osto on
15.0
g 2 d onimsteb w ob woh
1) A normal distribution had a mean of 21 and a standard deviation of 4.
bto agaln to udala
a) Find the range of values that represent the middle 68% of the distribution.
b) What percent of the data will be greater than 29?
llo
2) The heights of 1800 adults are normally distributed with a mean of 70 inches and a standard deviation of 2
inches.
a) About how many adults are between 66 and 74 inches? upe i enus edt sbnu sens leto or
irbiw sleb to 1muoms an insngon sv sebnu s16
of boeu sd neo olu laniqmoT Ievistni ent nidiw alle eulv sieb moba
b) What is the probability that a random adult is more than 72 inches tall?
olu leohic
16b enlo
sbnstz E idw list sieb

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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