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krek1111 [17]
3 years ago
11

Dan rolls a fair dice and flips a fair coin. What is the probability of obtaining an even number and a head

Mathematics
1 answer:
quester [9]3 years ago
7 0

Answer: 1/4

Step-by-step explanation:

A die has 6 figures which are 1, 2, 3, 4, 5 and 6. There are 3 even numbers which are 2, 4 and 6. A coin has 2 outcomes which are head or tail.

The probability of getting an even number is 3/6 = 1/2.

The probability of getting a head is 1/2.

Therefore, the probability of obtaining an even number and a head will be:

= 1/2 × 1/2

= 1/4

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A manager for an insurance company believes that customers have the following preferences for life insurance products: 20% prefe
Zanzabum

Answer:

Yes the sales manager claims can be refuted based on the calculated percentages

Step-by-step explanation:

<u>From the table attached below </u>

Total number of customers = 200

<em>Calculated percentages</em><em> </em>

customers that prefer whole life insurance = 90 = 90/200 = 45%

customers that prefer universal life insurance = 15 = 15/200 = 7.5%

customers that prefer Annuities = 95 = 95/200 = 47.5

<em>Expected percentages:</em>

whole life = 20%

Universal life = 10%

Life Annuities = 70%

3 0
3 years ago
A normal distribution has a mean of 4 and a standard deviation of 1. What percent of values are from 4 to 7?
Igoryamba

Answer:

49.865%

Step-by-step explanation:

Given that:

μ = 4 ; σ = 1

For x = 4

P(x < 4) :

Z score (x - μ) / σ

P(x < 7) - P(x < 4)

((7 - 4) / 1) - ((4 - 4) / 1)

P(Z < 3) - P(Z < 0)

Usibg the Z probability calculator :

0.99865 - 0.5

= 0.49865

= 0.49865 * 100

= 49.865%

6 0
3 years ago
PLEASE HELP ME I WILL MARK BRAINLEST
asambeis [7]

Answer:

1/3

Step-by-step explanation:

2/3  is 2/3 so 1/3 is missing

6 0
2 years ago
Read 2 more answers
mrs. Dimas has $130 to buy basketballs for Edison Middle School. How many can she buy at $15 each? Intrepret your remainder.
evablogger [386]
She can buy 8 because 130/15=8.666666667, we round down cause she cannot buy 9, she can only buy 8.
5 0
3 years ago
The sum of three numbers is 8. The first number minus the second plus the third is 4. The first minus the third is 2 more than t
Natalija [7]
The numbers are 3+2+3=8 , the first number minus the second and the third is 4 then you get 3-2+3=4
So your overall anwser is 3+2+3=8
8 0
3 years ago
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