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iVinArrow [24]
3 years ago
8

A factory worker conducted test on a random sample of 150 products. Of the products tested, 2 were found to have defects. Based

on this information, how many products in a batch of 3,000 are likely to be defective?
Mathematics
1 answer:
nata0808 [166]3 years ago
5 0

Answer:

about 1 or more is my hypothesis

Step-by-step explanation:

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Please help answer this the best you can for brainlst <3
kumpel [21]

Answer:

it looks like d go's in the first one and b go's in the second one

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Pls answer any that you can!!!
klio [65]

Answer:

12, 45, 1.8, -9, 18

Step-by-step explanation:

up up down down left right left right  b a start

6 0
2 years ago
The larger of to numbers is 12 more than the smaller. Their sum is 84. What are the two numbers?
Nataly_w [17]
36 and 48

a = b+12
a+b = 84

(b+12) + b =84
2b +12 = 84
2b = 72
b= 36

a = b + 12
a = 36 + 12
a = 48
3 0
3 years ago
According to a 2014 research study of national student engagement in the U.S., the average college student spends 17 hours per w
Nadusha1986 [10]

Answer:

Step-by-step explanation:

We would set up the hypothesis test. This is a test of a single population mean since we are dealing with mean

For the null hypothesis,

µ = 17

For the alternative hypothesis,

µ < 17

This is a left tailed test.

Since the population standard deviation is not given, the distribution is a student's t.

Since n = 80,

Degrees of freedom, df = n - 1 = 80 - 1 = 79

t = (x - µ)/(s/√n)

Where

x = sample mean = 15.6

µ = population mean = 17

s = samples standard deviation = 4.5

t = (15.6 - 17)/(4.5/√80) = - 2.78

We would determine the p value using the t test calculator. It becomes

p = 0.0034

Since alpha, 0.05 > than the p value, 0.0043, then we would reject the null hypothesis.

The data supports the professor’s claim. The average number of hours per week spent studying for students at her college is less than 17 hours per week.

4 0
3 years ago
Can someone please help
jolli1 [7]

Powers shared by the state and federal government are known as concurrent powers.

4 0
3 years ago
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