All categories

3 years ago

What is the probability of spinning a number greater than 7 or an odd number? (1 Point)

1 answer:

8 0

B) 7/10
It is B because there are 7 out of 10 possibilities that you would get a number greater than 7 or an odd number.

You might be interested in

The average expenditure on Valentine's Day was expected to be$100.89 (USA Today, February 13, 2006). Do male and femaleconsumers

stealth61 [152]

Answer:

(a) $62.16

(b) Male: $15.00

Female: $10.06

Confidence interval for female expenditure is ($49.18, $69.30)

Step-by-step explanation:

(a) Male expenditure

Sample mean = $135.67, sd=$35, n=40, Z=2.576

Population mean = sample mean - (Z×sd)/√n = 135.67 - (2.576×35)/√40 = 135.67 - 14.27 = $121.40

Female expenditure

Sample mean= $68.64, sd=$20, n=30, Z=2.576

Population mean = 68.64 - (2.576×20)/√30 = 68.64 - 9.40 = $59.24

$121.40 - $59.24 = $62.16

(b) Male: Error margin = (t-value × sd)/√n

Degree of freedom = n-1 = 40-1= 39. t-value corresponding to 39 degrees of freedom and 99% confidence level is 2.708

Error margin = (2.708×35)/√40 = 94.78/6.32 = $15.00

Female

Degrees of freedom = n-1 = 30-1 = 29. t-value is 2.756

Error margin = (2.756×20)/√30 = 55.12/5.48 = $10.06

Confidence Interval (CI) = (mean + or - error margin)

CI = 121.4 + 15.00 = $136.40

CI = 121.4 - 15.00 = $106.40

Confidence Interval is ($106.40, $136.40)

Female

CI = 59.24 + 10.06 = $69.30

CI = 59.24 - 10.06 = $49.18

Confidence Interval is ($49.18, $69.30)

7 0

3 years ago

What is the missing numbers for<br> ( )<br> -271<br> --------<br> 319

uysha [10]

48 is the answer because when it’s a negative number it subtracts

4 0

3 years ago

How many mangoes were originally in the bowl

nikklg [1K]

6 because 1 in 1/6 represents how many he took and the denominator in the other fractions gets smaller because it's less and less each time

5 0

3 years ago

a set if cards includes 20 yellow cards, 16 green cards, and 24 blue cards. what is the probability that a blue card is chosen a

devlian [24]

Answer:

2/5

Step-by-step explanation:

Probability is the chance that a certain event occurs out of the total events.

Here, the event of "choosing a blue card". The total events are just "choosing any card".

There are 24 blue cards and 24 + 20 + 16 = 60 cards in total. So, we just take 24 and divide it by 60: $\frac{24}{60}$ . Simplifying, we get:

$\frac{24}{60} = \frac{2}{5}$

Thus, the answer is 2/5.

Hope this helps!

4 0

3 years ago

In a certain region, the probability of a baby being born a boy is 0.497 instead of 0.5. Let A denote the event of getting a bo

Slav-nsk [51]

Answer:

Probability that a girl is born is event $P(\bar{A})$

$P(\bar{A})=0.503$

Step-by-step explanation:

Given that

Let A be an event when a boy is born

$P(A)=0.497\\\\P(\bar{A})=1-P(A)\\\\P(\bar{A})=1-0.497\\\\P(\bar{A})=0.503$

4 0

3 years ago