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3 years ago

9

Which number is ten times as much as 0.03

2 answers:

Phoenix [80]3 years ago

6 0

.3 is the correct answer

AVprozaik [17]3 years ago

5 0

0.3 is <span>ten times as much as 0.03</span>

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Mary and Jane both took PSY230 last semester but they were in two different sections taught by different professors. Mary's clas

Greeley [361]

Answer:

Due to the higher z-score, Jane did better in class.

Step-by-step explanation:

Z-score:

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore 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 pvalue, we get the probability that the value of the measure is greater than X.

In this question:

Whoever's grade had the better z-score did better in class.

Mary's:

Mean of 85, standard deviation of 5, grade of 88. This means that $\mu = 85, \sigma = 5, X = 88$ . So

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

$Z = \frac{88 - 85}{5}$

$Z = 0.6$

Jane's

Mean of 80, standard deviation of 10, grade of 88. This means that $\mu = 80, \sigma = 10, X = 88$ . So

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

$Z = \frac{88 - 80}{10}$

$Z = 0.8$

Due to the higher z-score, Jane did better in class.

4 0

2 years ago

30 people watched the soccer game last night tickets cost 2.75 each half of these fans bought a program at 1.50 each how much mo

Dima020 [189]

Answer: 105$
Half the ppl paid 1.50 for programs which is 15 x 1.5 = 22.5
30 ppl bought tickets 30x2.75
Add the totals to get 105

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2 years ago

Lori wants to distribute 35 peaches equally into baskets. she will use more then 1 but fewer than 10 baskets. how many baskets d

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She needs either 5 baskets or 7 baskets.

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3 years ago

Read 2 more answers

A radio station had 60 tickets to a concert. They gave away 2 times as many tickets to listeners as to employees. How many ticke

Nataly_w [17]

Answer:

they gave 20 to the employee trust me

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3 years ago

A town park has two biking trails. Marsh Trail is 5 3/10 miles long. Woodland trail is 2 4/5 Miles long. How much longer is Mari

torisob [31]

Answer:

21/2

Step-by-step explanation:

The answer can be determined by substracting the lengrh of the woodland trail from the Marsh trail

$5\frac{3}{10}$ - $2\frac{4}{5}$

$3\frac{3 - 8}{10}$

$2\frac{5}{10}$

converting the fraction to its simplest form gives 21/2

5 0

2 years ago