A fair coin is tossed 25 times. what is the probability that at most 24 heads occur?

Answers

Answer 1

Answer:

The probability that at most 24 heads occur is; 24/25.

What do we mean by probability?

Probability is the branch of mathematics that deals with numerical descriptions of how likely an event is to occur or how likely it is that a proposition is true. The probability of all the events occurring need to be 1.

We have been given that a fair coin is tossed 25 times.

So, We need to find the probability:

Favourable outcomes = 24

Total outcomes = 25

The formula of probability = Favourable outcomes/Total outcomes

⇒ 24 /25

Therefore, the probability that at most 24 heads occur is; 24/25.

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Answer 2

Answer: Very rare. Because 25 is a high chance of it always being heads.

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Human body temperatures have a mean of 98.20° F and a standard deviation of 0.62°. Sally's temperature can be described by z = -1.5. What is her temperature? Round your answer to the nearest hundredth.
Exercisea. I choose the correct option from Contain Questionsi Which of the following is a group set ?(b) A happy person in the Village(c) Simple Ex in the book (d) school age student(Weekly
Consider a random sample of ten children selected from a population of infants receiving antacids that contain aluminum, in order to treat peptic or digestive disorders. The distribution of plasma aluminum levels is known to be approximately normal; however its mean u and standard deviation o are not known. The mean aluminum level for the sample of n = 10 infants is found to be X = 37.20 ug/l and the sample standard deviation is s = 7.13 ug/1. Furthermore, the mean plasma aluminum level for the population of infants not receiving antacids is known to be only 4.13 ug/1.(a) Formulate the null hypothesis and complementary alternative hypothesis, for a two-sided test of whether the mean plasma aluminum level of the population of infants receiving antacids is equal to the mean plasma aluminum level of the population of infants not receiving antacids.(b) Construct a 95% confidence interval for the true mean plasma aluminum level of the population of infants receiving antacids.(c) Calculate the p-value of this sample (as best as possible), at the a=.05 significance level.(d) Based on your answers in parts (b) and (c), is the null hypothesis rejected in favor of the alternative hypothesis, at the a = .05 significance level? Interpret your conclusion: What exactly has been demonstrated, based on the empirical evidence?(e) With the knowledge that significantly elevated plasma aluminum levels are toxic to human beings, reformulate the null hypothesis and complementary alternative hypothesis, for the appropriate one-sided test of the mean plasma aluminum levels. With the same sample data as above, how does the new p-value compare with that found in part (c), and what is the resulting conclusion and interpretation?
Which of the following algebraic expressions cannot represent the phrase half of a number x

You have $1000 to invest in two different accounts. To save the money you need for college, you need to average 5.7 percent interest. If the two accounts pay 4 percent and 6 percent interest, how much should you invest in each account?$550 in 4%, $450 in 6%
$300 in 4%, $700 in 6%
$700 in 4%, $300 in 6%
$150 in 4%, $850 in 6%

Answers

9514 1404 393

Answer:

$150 in 4%, $850 in 6%

Step-by-step explanation:

The fraction that must earn the highest rate is ...

(5.7 -4.0)/(6.0 -4.0) = 1.7/2 = 0.85

That is 0.85 × $1000 = $850 must be invested at 6%. Matches the last choice.

_____

If you let x represent the amount that must earn 6%, then the total interest earned must be ...

x·6% +(1000 -x)·4% = 1000·5.7%

x(6 -4) = 1000(5.7 -4) . . . . . . multiply by 100, subtract 4·1000

x = 1000·(5.7 -4)/(6 -4) = 850 . . . . as above

Sue had $2.70 in dimes and nickels. If she has 12 more dimes than nickels, how many of each coin does she have?

Answers

she has 27 dimes and 15 nickles. there are 10 dimes in a dollar each worth 10 cents. two dollars and 70 cents so that would be 20 dimes in two dollars and 7 dimes is equal to 70 cents.

Which number completes the series: 1, 3, 6, 10, 15, ???

Answers

Answer:

best of luck!

Answer:

Step-by-step explanation:

1 + 2 = 3

3 + 3 = 6

6 + 4 = 10

10 + 5 = 15

15 + 6 = 21

Hope it helps

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Find the sum of the measures of the INTERIOR angles in 36-gon polygon

Answers

Answer: 6120

Step-by-step explanation:

The equation for the interior angles of a polygon is (n-2)180. So using the equation, (36-2)180=(34)180=6120.

Touch screen maze portfolio if you need more info please comment on the question not answer it all troll answers will be removed

Answers

A maze game can be constructed successfully by abiding by the specified guidelines in a systematic manner. Here is a comprehensive guide consisting of multiple steps to create it:

What are the steps?

1. Initially, plot the initiation point and conclusion point across different quadrants.

2. Commence the game: Participants must start from the starting point and locate the ending spot through the shortest possible route.

3. Illustrate two sample games through drawing colored paths utilizing pencils or markers which should then be described using coordinates for each route.

4. Compute the overall distance travelled by extracting geographical details available from the used path's coordinates via the distance formula.

5. Finally, determine the most concise path course among all other alternatives.

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A submarine at - 45 feet dives 50 feet. Write an expression to represent the submarine's elevation. Need help

Answers

-150+(-45)= -195

Negative since it’s deeper

this might be yo answer im not sure

i hope this helped u tho

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