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2 years ago

8

Which statement must be true

1 answer:

ExtremeBDS [4]2 years ago

6 0

Answer:

Its A

Step-by-step explanation:

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A surgery asks 25 people if they prefer brand A of brand B laundry detergent. The data show that 12 people prefer brand A. Write

SVETLANKA909090 [29]

Answer:

13 to 25

13:25

$\frac{13}{25}$

Step-by-step explanation:

All of these show the ratio 13/25

Hope this helps!

8 0

2 years ago

a seed company has a test plot in which it is testing the germination of a hybrid seed, They plant 50 rows of 40 seeds per row.

ziro4ka [17]

Answer:

Mean = $\sum x P(x) = 36.86$

Standard deviation = $\sum x^2P(X)=1360.9$

Step-by-step explanation:

x P(x) $x \times P(x)$ $x^2 \times P(x)$

33 0.02 0.66 21.78

34 0.06 2.04 69.36

35 0.1 3.5 122.5

36 0.2 7.2 259.2

37 0.24 8.88 328.56

38 0.26 9.88 375.44

39 0.1 3.9 152.1

40 0.02 0.8 32

1 36.86 1360.9

We are supposed to find mean and standard deviation

Mean = $\sum x P(x) = 36.86$

Standard deviation = $\sum x^2P(X)=1360.9$

7 0

2 years ago

A college student takes out a $7000 loan from a bank. The bank charges 5,6% interest per year. How much will

hichkok12 [17]

Answer:

$392

Step-by-step explanation:

5.6% of $7000 is 392

4 0

2 years ago

Read 2 more answers

What is 32 divided by 147?

liq [111]

The answer is: 0.21768707483

7 0

2 years ago

Read 2 more answers

A leaking pond loses 20 gallons of water in 35 hours. How many gallons of water will it lose in 47 hours?

Mama L [17]

20/35 gallons per hour
(20/35) * 47 = around 27 gallons in 47 hours

6 0

2 years ago