Fatimah wants to build a one-sample z interval to estimate the proportion of students at her school who ate

breakfast every day last week with 90% confidence. She

takes a random sample of 75 students and finds that 20

ate breakfast every day last week.

What critical value z* should Fatimah use to construct

this confidence interval?

A) z* = 1.282

B) z* = 1.645

C) z* = 1.96

D) z* = 2.576

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step-by-step explanation:

9-15%

isi

step-by-step explanation:

use that smart brain

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3