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tensa zangetsu [6.8K]
3 years ago
6

A production manager tests 10 lightbulbs and finds their mean lifetime is 442 hours. She then designs a sales package for this t

ype of bulb. It states that consumers can expect the bulb to last approximately 450 hours. This is an example of what phase of inferential statistics?
Mathematics
2 answers:
levacccp [35]3 years ago
7 0

probability-based inference

PSYCHO15rus [73]3 years ago
7 0

Answer:

probability-based inference

Step-by-step explanation:

apex

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The perimeter of this figure Is 42.5<br><br>Find the area of the figure.​
Murljashka [212]

Answer:

Formula - 42.5/4^2\\

(perimeter/4^2)

42.5/4 = 10.625

10.625^2 = 112.890625

Answer - 112.890625

5 0
3 years ago
You start driving west for 20 miles, turn left, and drive south for another 14 miles. At
pogonyaev

Answer:

About 24.4

Step-by-step explanation:

3 0
3 years ago
On two investments totaling $11,500, Peter lost 3% on one and earned 4% on the other. If his net annual receipts were $⁢201, how
BlackZzzverrR [31]
Total amount of money invested - $11500
X +Y = $11500. ----------(1)
Total yearly interest for thetwo a/c is - $201
-0.03X + 0.04Y = $201
Form (1)
X = 11500 - Y
Substitute for X
-0.03(11500 - Y) + 0.04 Y = $201
-345 + 0.03Y + 0.04Y =201
0.07Y = 546
Y = 7800 at 4 %
Calculate X
X = 11500 - Y
= 11500 - 7800
=3700 at - 3%
Check
-0.03×3700 + 0.04 × 7800 = $201
-111 + 312 = $201
$201 = $201
6 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIEST
OlgaM077 [116]

Answer:

G

Step-by-step explanation:

"Any particular event either (a) will happen or (b) won't happen."

That statement above is a certainty, probability = 100% = 1

This means the probability that event E <u>will </u>happen plus the probability that even E <u>won't </u>happen must add up to 100% = 1

So we can always say -->  prob(E) + prob (not E) = 1

The probability you will roll a 5 on a fair, six-sided die is 1/6.

So we use that to find the probability of not rolling the 5.

1/6 + prob(not E) = 1

   prob(not E) = 1 - 1/6  <---- This is answer G

    prob(not E) = 5/6

Hope this helps.

5 0
3 years ago
1. If x-1 is a factor of p(x)=x^3-7x^2+15x-9, which of the following represents the complete factorization for p(x)?
Snezhnost [94]
<span>1.</span>divide P(x) by (x-1) to get the quadratic equation... from which can be solve using any method in finding the roots of quadratic equation.... 
2 true

branlist pls
4 0
3 years ago
Read 2 more answers
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