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Veseljchak [2.6K]
10 months ago
9

A farmer has 160 bushels of apples to sell at her roadside stand. She sells an average of 13 7/10 bushels each day. Represent th

e total change in bushels after 7 days.
HELP IM OUT OF FREE ANSWERS.
Mathematics
1 answer:
babymother [125]10 months ago
3 0

Answer:

64.1

If she sells an average of 13 7/10 (13.7) bushels each day then she'll sell 95.9 bushels in seven days (13.7 x 7 = 95.9)

So she started out with 160 bushels and sold 95.9 of them in a week so whats left is 64.1 bushels.

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Answer:

Student has made an error

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An important factor in selling a residential property is the number of times real estate, agents show a home. A sample of 21 hom
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Using the t-distribution to build the 99% confidence interval, it is found that:

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  • The 99% confidence interval for the population mean is (19.36, 26.64).

<h3>What is a t-distribution confidence interval?</h3>

The confidence interval is:

\overline{x} \pm t\frac{s}{\sqrt{n}}

In which:

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  • n is the sample size.
  • s is the standard deviation for the sample.

The critical value, using a t-distribution calculator, for a two-tailed 95% confidence interval, with 21 - 1 = 20 df, is t = 2.086.

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The margin of error is given by:

M = t\frac{s}{\sqrt{n}} = 2.086\frac{8}{\sqrt{21}} = 3.64

Hence the bounds of the interval are:

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The 99% confidence interval for the population mean is (19.36, 26.64).

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The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party,
Mama L [17]

Answer:

(a)\ P(x = 0) = 0.2725

(b)\ P(x \ge 1) =0.7275

(c)\ P(x \le 2) = 0.8948

Step-by-step explanation:

Given

n = 8 --- 8 friends

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This question is an illustration of binomial probability, and it is represented as:

P(X = x) = ^nC_x* p^x * (1 - p)^{n-x}

Solving (a): P(x = 0) --- None has done one time fling

P(x = 0) = ^8C_0* (15\%)^0 * (1 - 15\%)^{8-0}

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Solving (b): P(x \ge 1)

To do this, we make use of compliment rule:

P(x = 0) + P(x \ge 1) =1

Rewrite as:

P(x \ge 1) =1 - P(x = 0)

P(x \ge 1) =1 - 0.2725

P(x \ge 1) =0.7275

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P(x\le 2) = P(x = 0) + P(x =1) + P(x = 2)

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P(x = 0) = 0.2725

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P(x \le 2) = 0.2725 + 0.3847 + 0.2376

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2 years ago
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