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3 years ago

Larry was able to bake 14 loaves of bread per hour. How many loaves of bread will he make after 15 hours

Mathematics

2 answers:

ANEK [815]3 years ago

8 0

14 loaves per hour

15 hours will get 14×15 = 210loaves

Luden [163]3 years ago

7 0

Answer: 210 loaves

Step-by-step explanation:

14 loaves x 15 hours= 210 loaves

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2 years ago

How do you work out Experimental and Theorical Probability. pls help,

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3 years ago

Whats five and one fourth divided by one third with how u got it

levacccp [35]

A: 15.75

Explanation:

Convert
5
1
4
5
4

1
to improper fraction. Use this rule:
a
b
c
=
a
c
+
b
c
a
c

b
=
c

ac+b
.
5
×
4
+
1
4
÷
1
3
4

5×4+1
÷
3

1

2 Simplify
5
×
4
5×4 to
2
0
20.
2
0
+
1
4
÷
1
3
4

20+1
÷
3

1

3 Simplify
2
0
+
1
20+1 to
2
1
21.
2
1
4
÷
1
3
4

21
÷
3

1

4 Use this rule:
a
÷
b
c
=
a
×
c
b
a÷
c

b
=a×
b

c
.
2
1
4
×
3
4

21
×3

5 Use this rule:
a
b
×
c
=
a
c
b
b

a
×c=
b

ac
.
2
1
×
3
4
4

21×3

6 Simplify
2
1
×
3
21×3 to
6
3
63.
6
3
4
4

63

7 Convert to mixed fraction.
1
5
3
4
15
4

3

Decimal Form: 15.75

6 0

3 years ago

Assume that random guesses are made for ninenine multiple choice questions on an SAT test, so that there are nequals=99 trials

ValentinkaMS [17]

Answer:

The probability that the number of correct answers is 4 is 0.2461.

Step-by-step explanation:

Let X = number of correct answers.

The probability that an answer is correct is,P (X) = p = 0.50.

The total number of questions is, n = 9.

The event of an answer being correct is independent of the other answers.

The success of each trial is defined as a correct answer with equal probability of success for each trial, i.e. 0.50.

The random variable X follows a Binomial distribution with parameter n = 9 and p = 0.50.

The probability mass function of X is:

$P(X=x)={9\choose x}\times0.50^{x}\times (1-0.50)^{9-x};\ x=0,1,2,3...$

Compute the value of P (X = 4) as follows:

$P(X=4)={9\choose 4}\times(0.50)^{4}\times (1-0.50)^{9-4}$

$=126\times 0.0625\times 0.03125\\=0.24609375\\\approx 0.2461$

Thus, the probability that the number of correct answers is 4 is 0.2461.

5 0

3 years ago