HELP ME NOW!!!!!!!!HELP ME NOW!!!!!!!!HELP ME NOW!!!!!!!!HELP ME NOW!!!!!!!! OK! WHAT IS THE THING PLUS THAT?

Mathematics

2 answers:

Natali [406]2 years ago

8 0

Step-by-step explanation:

WRL-15663: The SparkFun ESP32 Thing Plus is the next step to get started with Espressif IoT ideations while still enjoying all the amenities of the original ESP32 Thing. Espressif's ESP32 WROOM is a powerful WiFi and Bluetooth MCU module that targets a wide variety of applications. At the core of this module is the ESP32-D0WDQ6 chip which is designed to be both scalable and adaptive.

miss Akunina [59]2 years ago

3 0

Answer:

girl it is 2

Step-by-step explanation:

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Answer:

Option b) between 0.05 and 0.01.

Step-by-step explanation:

We are given the following in the question:

$x_1 = 64\\n_1 = 100\\x_2 = 80\\n_2 = 100$

Let $p_1$ and $p_2$ be the proportion of all parts from suppliers 1 and 2, respectively, that are defective.

$p_1 = \dfrac{x_1}{n_1} = \dfrac{64}{100} = 0.64\\\\p_2 = \dfrac{x_2}{n_2} = \dfrac{x_2}{n_2} = \dfrac{80}{100}= 0.8$

First, we design the null and the alternate hypothesis

$H_{0}: p_1 = p_2\\H_A: p_1 \neq p_2$

We use Two-tailed z test to perform this hypothesis.

Formula:

$\text{Pooled P} = \dfrac{x_1+x_2}{n_1+n_2}\\\\Q = 1 - P\\\\Z_{stat} = \dfrac{p_1-p_2}{\sqrt{PQ(\frac{1}{n_1} + \frac{1}{n_2})}}$

Putting all the values, we get,

$\text{Pooled P} = \dfrac{80+64}{100+100} = 0.72\\\\Q = 1 - 0.72 = 0.28\\\\Z_{stat} = \frac{0.64-0.8}{\sqrt{0.72\times 0.28(\frac{1}{100} + \frac{1}{100})}} = -2.5198$