snuggsjonathanp20gvh snuggsjonathanp20gvh
  • 04-01-2018
  • Mathematics
contestada

A normal distribution of data has a mean of 90 and a standard deviation of 18. What’s the approximate z score for the value of 64

Respuesta :

anchitthawi
anchitthawi anchitthawi
  • 17-01-2018

[tex]z = \frac{x - u}{sd} [/tex]
when x is value (64)
u is mean (90)
and sd is satandard deviation (18)

so z = 64 - 90 / 18
z = -26 / 18 = -1.44
Answer Link
mattkb00 mattkb00
  • 11-12-2018

Answer:

It is -1.4! just took test

Step-by-step explanation:


Answer Link

Otras preguntas

HURRY PLEASE!!!!!! Identify the pairs of supplementary angles (hurry i’m begging)
can someone pleaseee help me and btw dont mind my answers
4. A college student takes out a $7,500 loan from a bank. What will the balance of the loan be after one year (assuming the student has not made any payments ye
What's the most random question someone can ask?
Why is Valentine so upset that her father agrees with Demosthenes?
4.8 code practice question 2
A) Read and complete the texts with the words. adventurous, aggressive, amusing, arrogant, bad-tempered, caring,determined, fair, generous, helpful, honest, jea
What are three reasons authors might use a nonlinear plot structure?(pick three) 1. to change the course of the main plot 2. to give more attention to a mino
Look at the picture and the choose one that represents the best trip for you
PLS HELP ME I WILL FAIL IFNI DONT GET THIS DONE​