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3 years ago

11

What is the percentage 33% of $145.00

2 answers:

Anna71 [15]3 years ago

7 0

Step-by-step explanation:

cross multiply, set up ur equation like so

<u>3</u><u>3</u><u>. </u> <u>x</u>

100 = 145

<u>100x</u><u>=</u><u>4</u><u>7</u><u>8</u><u>5</u>

100

x=47.85

yan [13]3 years ago

5 0

Answer:

47.85

Step-by-step explanation:

33% of 145

of means multiply

Changing to decimal form

.33* 145

47.85

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According to a 2018 survey by Bankrate, 20% of adults in the United States save nothing for retirement (CNBC website). Suppose t

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0.5981 = 59.81% probability that three or less of the selected adults have saved nothing for retirement

Step-by-step explanation:

For each adult, there are only two possible outcomes. Either they save nothing for retirement, or they save something. The probability of an adult saving nothing for retirement is independent of any other adult. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

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This means that $p = 0.2$

Suppose that sixteen adults in the United States are selected randomly.

This means that $n = 16$

What is the probability that three or less of the selected adults have saved nothing for retirement?

This is:

$P(X \leq 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3)$

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