SOCR Courses 2011 2012 Stat13 1 Lab3 - Revision history

SeanWang: /* Problem 2 */

2012-02-01T23:21:53Z

‎Problem 2

2012-02-01T23:21:14Z

‎Distribution Comparison

2012-02-01T23:20:52Z

‎Distribution Comparison

2012-02-01T23:19:51Z

‎Distribution Comparison

2012-02-01T23:19:30Z

‎Problem 2

2012-02-01T23:19:09Z

‎Problem 2

2012-02-01T23:18:37Z

‎Problem 2

2012-02-01T23:18:23Z

‎Problem 3

2012-02-01T23:18:02Z

‎Problem 2

2012-02-01T23:17:50Z

‎Problem 2

@@ Line 11: / Line 11: @@
 ==== Problem 2 ====
 * X ~ Binom(10, .1)
-* Find and verify: P(1 ≤ X ≤ 3)
+* Find P(1 ≤ X ≤ 3) from SOCR, and verify using the binomial formula.
 ==== Problem 3 ====

@@ Line 29: / Line 29: @@
 * Graph and comment on the shape of the [http://socr.ucla.edu/htmls/dist/Binomial_Distribution.html binomial distribution] with n = 30, p = 0.1 and then with n = 20, p = 0.9 (take a snapshot of both).
 * Now, keep n = 30 but change p = 0.45.  Now, let n = 100, p = 0.1.  Take a snapshot of both.
-* What changes do you observe in the distribution as the parameters change?  Write brief statements in this chart.
+* What changes do you observe in the distribution as the parameters change?  Write brief statements about the changes in a chart like this.

@@ Line 27: / Line 27: @@
 ===Distribution Comparison===
 * Graph and comment on the shape of the [http://socr.ucla.edu/htmls/dist/Binomial_Distribution.html binomial distribution] with n = 30, p = 0.1 and then with n = 20, p = 0.9 (take a snapshot of both).
-* Now, keep n = 30 but change p = 0.45. How about when n = 100, p = 0.1? Take another snapshot.
+* Now, keep n = 30 but change p = 0.45.  Now, let n = 100, p = 0.1.  Take a snapshot of both.
 * What changes do you observe in the distribution as the parameters change?  Write brief statements in this chart.

@@ Line 27: / Line 27: @@
 ===Distribution Comparison===
-* Graph and comment on the shape of the [http://socr.ucla.edu/htmls/dist/Binomial_Distribution.html binomial distribution] with n = 30, p = 0.1 and then with n = 20,p = 0.9 (take a snapshot of each).
+* Graph and comment on the shape of the [http://socr.ucla.edu/htmls/dist/Binomial_Distribution.html binomial distribution] with n = 30, p = 0.1 and then with n = 20, p = 0.9 (take a snapshot of both).
 * Now, keep n = 30 but change p = 0.45. How about when n = 100, p = 0.1? Take another snapshot.
 * What changes do you observe in the distribution as the parameters change?  Write brief statements in this chart.

@@ Line 11: / Line 11: @@
 ==== Problem 2 ====
 * X ~ Binom(10, .1)
-* Find and verify P(1 ≤ X ≤ 3)
+* Find and verify: P(1 ≤ X ≤ 3)
 ==== Problem 3 ====

@@ Line 20: / Line 20: @@
 * P(5 < x < 8)
 * P(x < 8)
-* P(x <= 7)
+* P(x ≤ 7)
-* P(x >= 9)
+* P(x ≥ 9)
 ==== Problem 4 ====

@@ Line 12: / Line 12: @@
 * X ~ Binom(10, .1)
 * Find and verify:
-* P(1 <= X <= ≤ 3)
+* P(1 ≤ X ≤ 3)
 * <math>P(1 \leq X \leq 3)</math>