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Agata [3.3K]
2 years ago
14

* Brittany's teacher tells her that she did well on the Statistics test - her z-score was 1.80 on the test. If the mean score on

the test was a 75 with a standard
deviation of 10, find Brittany's score
Mathematics
1 answer:
Leno4ka [110]2 years ago
8 0

Answer:

93

Step-by-step explanation:

Given that:

Brittany's Zscore = 1.8

Mean score (m) = 75

Standard deviation (s) = 10

Brittany's score (x) =?

Using the Zscore formula :

Zscore = (x - m) / s

1.8 = (x - 75) / 10

18 = x - 75

18 + 75 = x

93 = x

Hence, Brittany's score is 93

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1/10 and his Valero in all is 2862
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solniwko [45]

Answer:

4:1

Step-by-step explanation:

22/5.50

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4 0
2 years ago
Mikela claims that the sum of any two numbers is greater than the larger of the two numbers. Jim claims that the sum of any two
qaws [65]

<u>ANSWER:  </u>

The statement of Jim is correct

<u>SOLUTION:  </u>

Given statements are  

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Jim claims that the sum of any two natural numbers is greater than the larger of the two numbers.

Let a,b be the two numbers and a is the greatest of a and b

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Above condition fails when b is either 0 or negative number.  

Jim - sum of any two natural numbers is greater than the larger of the two numbers.

Let a,b be the two natural numbers. And a is the greatest of a and b

According to the jim statement  =  a + b > a

b > a – a

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And this statement will always be true because b is an natural number, so it will be greater than 0.

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8 0
2 years ago
For customers purchasing a refrigerator at a certain appliance store, let A be the event that the refrigerator was manufactured
kati45 [8]
The answers are the following:
<span><span><span>P(A)=0.75</span><span>
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</span></span><span><span>P(C|A∩<span>B′</span>)=0.6
</span></span><span><span>P(C|<span>A′</span>∩B)=0.7
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4 0
2 years ago
The two parts to a recursive formula are the starting term and the ____ used to find the next term.
DIA [1.3K]

Answer:

Recursive formulas give us two pieces of information:

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So I think A.Pattern

6 0
2 years ago
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