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natka813 [3]
3 years ago
13

Math is often used to

Mathematics
2 answers:
Sholpan [36]3 years ago
8 0
Answer: A I think
Seems like the correct one
Alik [6]3 years ago
4 0
The answer is A. Trust me
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How many five digit ZIP Codes are possible if the two numbers cannot be zero or a one? (Numbers can repeat)
olga nikolaevna [1]

Answer:

This means 100000 possible zip codes if repeatable

Step-by-step explanation:

5 0
3 years ago
The lengths of bolts in a batch are distributed normally with a mean of 3 cm and a standard
ValentinkaMS [17]

Answer:

0.8413 = 84.13% probability that a bolt has a length greater than 2.96 cm.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 3 cm and a standard deviation of 0.04 cm.

This means that \mu = 3, \sigma = 0.04

What is the probability that a bolt has a length greater than 2.96 cm?

This is 1 subtracted by the p-value of Z when X = 2.96. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{2.96 - 3}{0.04}

Z = -1

Z = -1 has a p-value of 0.1587.

1 - 0.1587 = 0.8413

0.8413 = 84.13% probability that a bolt has a length greater than 2.96 cm.

3 0
2 years ago
Y=-2x+7 and draw a graph
Airida [17]
Y=-2+7 here’s the graph

8 0
3 years ago
106. Find the inverse g for each function f.<br> c.f(x) =23x+ 1
Arada [10]
I switched the x and y so it’s easier to see. The answer is (x-1)/(23).

7 0
3 years ago
Maxine spent 15 hours doing her homework last week. This week she spent 18 hours doing homework. She says that she spent 120% mo
Vadim26 [7]

Answer:

she is correct beacuse if she worked more harder this week than last week it shows beacuse she did 15 hours

and she did 18 hours as well

5 0
3 years ago
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