10points! will make brainliest for correct answer -8 1/3 + (- 1/6)
1 answer:
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a)
well, she put 4000, and she earned in interest 960, so her accumulated amount is just their sum, 4960.
b)
now, it doesn't say, so we're assuming is <u>simple interest</u>, as opposed to compound interest.
c)
let's make the rate 1% greater then, and check
Answer:
The probability is
Step-by-step explanation:
From the question we are told that
The population proportion is
The mean of the sampling distribution is
The sample size is n = 600
Generally the standard deviation is mathematically represented as
=>
=>
Generally the probability that the proportion of airborne viruses in a sample of 600 viruses would differ from the population proportion by greater than 3% is mathematically represented as
=>
Now add p to both side of the inequality
=>
=>
Now converting the probabilities to their respective standardized score
=>
=>
=>
From the z-table
and
So
=>