Given a normal distribution with μ=55 and σ=3.0,
a) What is the probability that X greater than>51?
B) What is the probability that X less than<49?
c) For this distribution,99%of the values are less than what X-value?
d) Between what two X-values (symmetrically distributed around the mean) are
80% of the values?
Given a normal distribution with μ=55 and σ=3.0, a) What is the probability that X greater...
Given a normal distribution with μ=100 and σ=10, complete parts (a) through (d). Show ALL Work. a. What is the probability that X>80? (Round to four decimal places as needed.) b. What is the probability that X<95? (Round to four decimal places as needed.) c. What is the probability that X<90 or X>130? (Round to four decimal places as needed.) d. 99% of the values are between what two X-values (symmetrically distributed around the mean)? 99%of the values are greater...
Given a normal distribution with (mean) μ= 50 and (standard deviation) σ = 5, what is the probability that: a) X>60 b) X<40 c) X<45 or X>65 d) Between what two values (symmetrically distributed around the mean) are ninety percent of the values?
6.5 Given a normal distribution with ? = 100 and ? =10what is the probability thata. x>75?b. x<70?c.x<80 or x>110?d. 80% of the values are between what two X values (symmetricallydistributed around the mean)?
Urgent help! Thank you. Given a normal distribution with μ= 51 and σ= 8, and given you select a sample of n= 100, complete parts (a) through (d). a. What is the probability that X is less than 49? PR 49) Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that X is between 49 and 49.5? P(49 <X-49.5)= □ Type an integer or decimal rounded to four decimal places as needed.)...
For a normal distribution, find the probability of being (a) Between μ−3σ μ − 3 σ and μ+3σ μ + 3 σ (b) Between 2 standard deviations below the mean and 2.5 standard deviations above the mean (c) Less than μ−1σ μ − 1 σ Use the Standard Normal Table in your textbook or Excel to obtain more accuracy.
Test: Assignment 2 This Question: 1 pt 1 of 20 Given a normal distribution with μ-50 and σ= 8, and given you select a sample of n= 100, complete parts (a) through (d). a. What is the probability that X is less than 49? P(X < 49) Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that X is between 49 and 51.5? P(49 < X < 51.5)-| | Type an integer...
1. Assuming the Standard Normal Distribution, USING EXCEL find: a. What is the probability of Z < than -1.75? b. What is the probability of Z > than 1.00? c. What is the probability of Z between 1.00 and 2.00? d. 15% of the cumulative probability is above what value for Z? e. 95% of the cumulative probability is below what value for Z? f. What is the probability of Z<-2.00 OR X> 2.00? ...
A population of values has a normal distribution with μ=180.1μ=180.1 and σ=93.4σ=93.4. You intend to draw a random sample of size n=90n=90. Find the probability that a single randomly selected value is greater than 185. P(X > 185) = Find the probability that a sample of size n=90n=90 is randomly selected with a mean greater than 185. P(¯xx¯ > 185) = A population of values has a normal distribution with μ=167.8μ=167.8 and σ=34.4σ=34.4. You intend to draw a random sample...
given a normal distribution with μ=105 and σ=10, if you select a sample of n=4 what is the probability that X(mean) is less than 92? (Type an integer or decimal rounded to four decimal places as needed.)
6.2.5 2 of 10 (10 complete Given a normal distribution with ju= 100 and a = 10, complete parts (a) through (d). E! Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table. (Round to four decimal places as needed.) b. What is the probability that X < 90? The probability that X < 90 is 0.1587 (Round to four decimal places as needed)...