WebDec 11, 2024 · See tutors like this. Using a Z score table or a calculator: P (Z= -1.2) = .1151. P (Z = -0.2) = .4207. The probability of being between those is. P (X= -0.2) - P (X= -1.2) = 0.4207 - 0.1151. = 0.3056. WebMay 17, 2015 · P (z < 1.96) would mean to use the standard normal distribution, and find the area under the curve to the left of 1.96. our table gives us the area to the left of the z-score, the we just need to look the …
Answered: For a standard normal table or Excel… bartleby
WebApr 14, 2024 · What is P-Value? – Understanding the meaning, math and methods; How to implement common statistical significance tests and find the p value? Mahalanobis Distance – Understanding the math with examples (python) T Test (Students T Test) – Understanding the math and how it works; Confidence Interval – Fully Explained WebAnswer to Solved Find P(Z <-1.57). Round answer to 4 decimal places. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. the average cost to repair a samsung tv
The Standard Normal Distribution - Boston University
WebDec 11, 2024 · Using a Z score table or a calculator: P(Z= -1.2) = .1151. P(Z = -0.2) = .4207. The probability of being between those is . P(X= -0.2) - P(X= -1.2) = 0.4207 - 0.1151 = … WebP(Z ≤ 1.96) = .9750 P(Z ≤ -.40) = .3446 (since 1 - .3446 = .6554 = F(.40)) NOTE: It may be useful to keep in mind that F(a) + F(-a) = 1. 2. P(Z ≥ a) = 1 - F(a) (use when a is positive) = F(-a) (use when a is negative) EX: Find P(Z ≥ a) for a = 1.5, -1.5 To solve: for a positive, look up F(a), as before, and subtract F(a) from 1. WebAug 8, 2024 · Intersect the row and column from Steps 1 and 2. This result represents p(Z < z), the probability that the random variable Z is less than the value Z (also known as the percentage of z-values that are less than the given z-value ). For example, suppose you want to find p(Z < 2.13). Using the z-table below, find the row for 2.1 and the column ... the average cost to raise a child